Engineering, Product and Design Startups funded by Y Combinator (YC) 2024

May 2024

Browse 100 of the top Engineering, Product and Design startups funded by Y Combinator.

We also have a Startup Directory where you can search through over 5,000 companies.

  • GitLab
    GitLab (w2015)Public • 2,000 employees • San Francisco, CA, USA
    GitLab is the first single application for the entire DevOps lifecycle. Only GitLab enables Concurrent DevOps, unlocking organizations from the constraints of today’s toolchain. GitLab provides unmatched visibility, radical new levels of efficiency and comprehensive governance to significantly compress the time between planning a change and monitoring its effect. This makes the software lifecycle 200% faster, radically improving the speed of business. GitLab and Concurrent DevOps collapses cycle times by driving higher efficiency across all stages of the software development lifecycle. For the first time, Product, Development, QA, Security, and Operations teams can work concurrently in a single application. There’s no need to integrate and synchronize tools, or waste time waiting for handoffs. Everyone contributes to a single conversation, instead of managing multiple threads across disparate tools. And only GitLab gives teams complete visibility across the lifecycle with a single, trusted source of data to simplify troubleshooting and drive accountability. All activity is governed by consistent controls, making security and compliance first-class citizens instead of an afterthought. Built on Open Source, GitLab leverages the community contributions of thousands of developers and millions of users to continuously deliver new DevOps innovations. More than 100,000 organizations from startups to global enterprise organizations, including Ticketmaster, Jaguar Land Rover, NASDAQ, Dish Network and Comcast trust GitLab to deliver great software at new speeds.
    developer-tools
    devsecops
    open-source
  • PagerDuty
    PagerDuty (s2010)Public • 950 employees • San Francisco, CA, USA
    PagerDuty is an operations performance platform delivering visibility and actionable intelligence across the entire incident lifecycle. Their SaaS-based solution empowers over 10,000 small, mid-size and enterprise global customers such as Comcast, eHarmony, Slack and Lululemon with the insight to intelligently respond to critical disruptions for exceptional customer experience. PagerDuty was founded to deliver a new and innovative approach to increase business response and efficiency. When brand reputation depends on customer satisfaction, PagerDuty arms businesses with the insight to proactively manage incidents and events that may impact customers across their IT environment.
    devops
    monitoring
  • Bird
    Bird (s2016)Active • 500 employees • Amsterdam, Netherlands
    The world’s largest omnichannel communications platform. Bird CRM powers communication between businesses and their customers — across any channel, always with the right context, and on every corner of the planet. Its products and solutions are the foundational building blocks to business communications across preferred channels, like SMS, Voice, WhatsApp, WeChat, Messenger, Email and more. Founded in 2011, Bird connects to billions of devices and is trusted by nearly 20,000 customers worldwide. Headquartered in Amsterdam, Bird operates across nine global hubs — including Singapore, Dublin, Shanghai, Sydney, London, Bogota and Asuncion — and is proud to be a “Work Anywhere” company. Its team of 500 employees represent more than 55 nationalities.
    messaging
    api
  • Flock Safety
    Flock Safety (s2017)Active • 1,000 employees • Atlanta, GA, USA
    Flock Safety provides the first public safety operating system that empowers private communities and law enforcement to work together to eliminate crime. We are committed to protecting human privacy and mitigating bias in policing with the development of best-in-class technology rooted in ethical design, which unites civilians and public servants in pursuit of a safer, more equitable society. Our Safety-as-a-Service approach includes affordable devices powered by LTE and solar that can be installed anywhere. Our technology detects and captures objective details, decodes evidence in real-time and delivers investigative leads into the hands of those who matter. While safety is a serious business, we are a supportive team that is optimizing the remote experience to create strong and fun relationships even when we are physically apart. Our flock of hard-working employees thrive in a positive and inclusive environment, where a bias towards action is rewarded. Flock Safety is headquartered in Atlanta and operates nationwide. We have raised $150M in our Series E led by Tiger Global at a $3.5B valuation.
    hardware
    machine-learning
    saas
  • Optimizely
    Optimizely (w2010)Acquired • 1,500 employees • San Francisco, CA, USA
    At Optimizely, we're on a mission to help people unlock their digital potential. We do that by reinventing how marketing and product teams work to create and optimize digital experiences across all channels. With Optimizely One, our industry-first operating system for marketers, we offer teams flexibility and choice to build their stack their way with our fully SaaS, fully decoupled, and highly composable solution. We help companies around the world orchestrate their entire content lifecycle, monetize every digital experience and experiment across all customer touchpoints – all through Optimizely One, the leading digital experience platform that powers every phase of the marketing lifecycle through a single, AI-accelerated workflow. Optimizely has nearly 1500 employees across our 21 global offices and has 700+ partners. We are proud to help more than 10,000 businesses, including H&M, PayPal, Zoom, and Toyota, enrich their customer lifetime value, increase revenue and grow their brands. At Optimizely, we live each day with a simple philosophy: large enough to serve, small enough to care. Learn more at optimizely.com.
    marketing
  • Scale AI
    Scale AI (s2016)Active • 500 employees • San Francisco, CA, USA
    Scale accelerates the development of AI within organizations of any size to deliver critical business insights and operational efficiency. Its data-centric infrastructure platform leverages RLHF (Reinforced Learning with Human Feedback) to help organizations build the strongest AI models that supercharge their business, with customers across industries including Meta, Microsoft, U.S. Army, DoD’s Defense Innovation Unit, Open AI, General Motors, Toyota Research Institute, Brex, Instacart and Flexport.
    artificial-intelligence
    machine-learning
  • Algolia
    Algolia (w2014)Active • 810 employees • San Francisco, CA, USA
    Our mission is to make every search interaction meaningful & rewarding, through developer-friendly and enterprise-grade APIs. Algolia is the leading Search & Discovery API for websites and mobile apps. We help the most innovative companies across e-commerce, media and SaaS industries create powerful, relevant and scalable discovery experiences for their users. Unlike other solutions, our hosted platform reduces the complexities of building and scaling a fast, relevant digital experience and helps teams accelerate development time. More than 9,000 companies like Under Armour, Twitch, Periscope, Medium and Stripe rely on Algolia to manage 50+ billion search queries a month. Founded in 2012, we're backed by $184M in funding from Accel Partners, Alven Capital, Point Nine Capital and Storm Ventures. The team is headquartered in San Francisco with offices in Paris, London, New York, and Atlanta. To learn more, visit www.algolia.com. --- We’re looking for talented, passionate people to build the world’s best search technology. As an ownership-driven company, we seek team members who thrive under autonomy and diversity. We're committed to building an inclusive and diverse workplace. We care about each other and the world around us, and embrace talented people regardless of their race, age, ancestry, religion, sex, gender identity, sexual orientation, marital status, color, veteran status, disability and socioeconomic background
    developer-tools
    saas
    b2b
  • Meticulous
    Meticulous (s2021)Active • 5 employees • London, UK
    Meticulous is a tool to automatically catch UI bugs in your web application with zero-effort. Install our JavaScript snippet onto production or staging and dev environments, which records user sessions by collecting clickstream and network data. When you post a pull request, Meticulous selects a subset of sessions which are relevant and simulates these against the frontend of your application. Meticulous takes screenshots at key points and detects any visual differences. It posts those diffs in a comment for you to inspect in a few seconds. This eliminates the setup and maintenance burden of UI testing.
    developer-tools
    hard-tech
    saas
  • Instant
    Instant (s2022)Active • 2 employees • New York, NY, USA
    Instant is the modern Firebase. We make it easy to build realtime and collaborative applications like Notion or Figma.
    developer-tools
    api
  • Squack
    Squack (w2023)Active • 3 employees • San Francisco, CA, USA
    Squack gives accounting firms a RPA tool that uses LLMs to create complex automations using natural language. For example, an accountant can use Squack to create a workflow that automatically categorizes bank transactions just by writing a few sentences.
    artificial-intelligence
    developer-tools
    saas
    b2b
  • Happyrobot
    Happyrobot (s2023)Active • 3 employees
    Happyrobot's voice AI agents automate inbound and outbound phone calls in the logistics industry. Freight brokers, 3PLs, carriers and other enterprises connect their information systems to our AI agents to handle check calls, load updates, payment status, appointment scheduling or even sales negotiations.
  • Supernova
    Supernova (w2019)Active • 20 employees • Prague, Czechia
    Supernova connects to popular design editors and interprets design systems into data. These data can then be transformed in powerful ways to create code for product development, for literally any coding stack or platform imaginable. These transformations can be fully automated so that when design changes occur, the code is automatically updated to reflect the changes. Developers can fully control how the code is rendered, literally down to the individual code characters. An ecosystem of Supernova-developed and community-maintained code export packages is available for popular stacks and platforms via the Supernova Store, or teams can choose to create their own — for instance, to support proprietary frameworks or to customize code output to meet any company guidelines.
    developer-tools
    design-tools
  • Mach9
    Mach9 (s2021)Active • 12 employees • Pittsburgh, PA, USA
    Mach9 is at the forefront of leveraging advanced machine learning and computer vision techniques to transform geospatial data into actionable insights for urban development and infrastructure management. Our cutting-edge technology automates the detection and analysis of key urban features, aiding in the planning and maintenance of transportation networks.
    artificial-intelligence
    machine-learning
    computer-vision
    infrastructure
  • OneSchema
    OneSchema (s2021)Active • 10 employees • San Francisco, CA, USA
    Product and engineering teams use OneSchema to save months of development time to build a CSV importer. OneSchema improves customer activation / import completion rates by automatically correcting customer data.
    developer-tools
    saas
    b2b
    data-engineering
  • Draftaid
    Draftaid (w2024)Active • 3 employees • Toronto, ON, Canada
    DraftAid is the world's first generative AI for CAD manufacturing drawings, akin to GitHub Copilot but for CAD. It drastically shortens drawing creation time, turning hours into seconds. Every product that is manufactured - from construction to aerospace, automotive, durable goods, and electronics—relies on drawings. Currently, engineers and designers painstakingly make these essential drawings manually. Draftaid streamlines this process saving teams millions in time and quality. The idea was born out of Abdullah's experience as a mechanical design team member, where he created thousands of drawings and longed for a more efficient process. Partnering with Tahsin, a neighbour with a PhD in AI, and Mohammed, a seasoned engineering VP with experience in construction software, they turned the dream into reality. Since their launch in August, DraftAid has engaged customers through targeted outreach and word-of-mouth, securing paid pilots with subsequent contracts valued at $150,000. Be a part of ushering in the new era of CAD designs!
    construction
    design
    manufacturing
    architecture
    ai-assistant
  • Alloy Automation
    Alloy Automation (w2020)Active • 40 employees • New York, NY, USA
    Alloy is an integration platform used by Amazon, Gorgias, Postscript, & others to launch ERP, commerce, CRM, and various other integrations. Founded in 2019, the company is backed by $27M from a16z, Bain Capital Ventures, Y Combinator, and others.
    saas
    api
  • MagnaPlay
    MagnaPlay (w2023)Active • 5 employees
    MagnaPlay is game translation simplified into SAAS. Every game needs to be translated - a process which currently consists of finding freelancers, verifying their quality, negotiating prices, building contracts and waiting months for them to deliver. With MagnaPlay, game developers cut out the middleman and get results 5x faster, at half the price and with more reliable quality. Our combination of AI, expert translators and SAAS fully integrates translation into the gamedev workflow, ensuring games are translated and reach the worldwide audiences that love them so much.
  • Duckie
    Duckie (w2024)Active • 2 employees
    Duckie is an AI technical support engineer that reduces unnecessary ticket escalations by troubleshooting tricky technical issues and suggesting resolutions. It sits in your support channel, answers technical questions, troubleshoots technical issues, and intelligently triages and escalates to dev teams. 1. Who are using Duckie: tier 2 technical support teams 2. Flexible integrations with knowledge sources (Slack, Jira, Google docs, Confluence, Sentry, Github, and beyond!) 3. Takes <5 mins to onboard
    developer-tools
    customer-support
    operations
    ai
  • Gordian Software
    Gordian Software (w2019)Active • 20 employees • Bellevue, WA, USA
    Our APIs enable the world's leading travel organizations to delight travelers and increase revenue. Our customers are companies like Priceline, Hopper and Trip.com, and we support over 140 airlines including partnerships with Lufthansa Group, United Airlines, and Singapore Airlines. Gordian has grown rapidly and serves more than 60 million passengers per month. Launched in 2017, Gordian is backed by Y Combinator, Accomplice, Vinyl, Kinnevik, DST Global Partners, Latitude, and Naval Ravikant. For more information, visit gordiansoftware.com
    travel
  • Keywords AI
    Keywords AI (w2024)Active • 3 employees • San Francisco, CA, USA
    The only platform you need to launch and optimize your LLM application. We built a unified interface for any model with built-in infrastructure, so you can focus on building a product people love. Integration is dead simple - everything comes with 2 lines of code: - Playground and prompt management for testing models and improving prompts - Beautiful pre-built dashboards to monitor every LLM metric and user log - Production performance monitoring with auto-evaluations ... and a lot more! Reach out to team@keywordsai.co if you have any questions. Excited to see what you'll build with us!
    artificial-intelligence
    developer-tools
    saas
    b2b
    api
  • Inkeep
    Inkeep (w2023)Active • 5 employees • New York, NY, USA
    Inkeep helps turn your docs, help center, and other content into an AI-powered search and chat copilot for you product. 100+ teams use Inkeep to improve user experience, deflect support questions, and identify gaps in their documentation.
    artificial-intelligence
    developer-tools
    generative-ai
    customer-support
    ai
  • hotglue
    hotglue (s2021)Active • 11 employees • Washington, DC, USA
    hotglue is a tool that helps developers embed user-facing native SaaS integrations into their product with minimal development work, all while allowing the developers to remain in control of the data. hotglue also features a configurable Python-powered transformation layer for you to control how your product receives your customers' data.
    developer-tools
    saas
    b2b
  • Ploomber
    Ploomber (w2022)Active • 7 employees • New York, NY, USA
    We are building a cloud platform to help companies deploy and scale AI applications.
    developer-tools
    machine-learning
    analytics
    ai
  • Strada
    Strada (s2023)Active • 4 employees • 156 2nd St, San Francisco, CA 94105, USA
    The Strada AI Agent builds automation workflows across Zendesk, Slack, Sheets and your internal APIs and databases. Strada automations are written in Python which you can audit, modify, and version control. They are deployed with one click on the Strada platform, which handles scaling, observability, and monitoring. If you’re still building automations yourself, come talk to us.
    saas
    b2b
    enterprise-software
    automation
    ai
  • Tremor
    Tremor (s2023)Active • 3 employees • Zürich, Switzerland
    React components to build dashboards faster.
    data-visualization
    web-development
  • Agentic Labs
    Agentic Labs (w2024)Active • 2 employees • New York, NY, USA
    Agentic Labs is making software design and architecture less painful by building AI into the process. Today, developers have no shortage of tools for instantly creating chunks of code, but designing the systems that integrate this code is the hardest and most manual part of software engineering. Our first product is Glide, an AI-first editor purpose-built for writing technical design docs. It connects to your codebase and saves your engineering team time on triage, planning, and implementation of complex code changes.
    artificial-intelligence
    developer-tools
  • BotCity
    BotCity (w2022)Active • 18 employees • San Francisco, CA, USA
    The rise of Robotic Process Automation offered a promise that any business user can build automations. We were skeptical about that and decided to talk to users of platforms such as UiPath, Automation Anywhere, and Blueprism, all of them low-code. Talking to users, we discovered that unique automations incorporating exclusive company processes and intelligence that have the potential to transform the business must be implemented by tech teams. It's not about mimicking employees performing isolated tasks. It's about designing a new workflow, integrated with the company's technological stack and systems. There are just 100.000 RPA skilled users compared to 22M developers globally that can become RPA coders on Day 1 with BotCity. We believe that all automation efforts in a single platform is more efficient. We started delivering the best RPA experience for tech teams, but we envision creating the perfect place to also manage crawlers, integrations, scrappers, data operations. Every company automation in a single place. As companies are becoming tech first and automation will be a basic KPI, we are building to be the all-in-one automation ops management.
    developer-tools
    robotic-process-automation
    computer-vision
    open-source
    ai
  • Hyperbeam
    Hyperbeam (w2022)Active • 3 employees • Waterloo, ON, Canada
    Emebedding third-party apps and websites can often be a nightmare due to incompatible platforms, security issues, and poor UX. Adding multiplayer functionality to these embeds makes this problem exponentially more difficult. Enter Hyperbeam—an API that lets you embed virtual computers anywhere, including web, mobile, VR, and even VSCode. You can then open any third-party website or application, synchronize audio and video flawlessly among multiple participants, and add multi-user control with just a few lines of code. Uses cases and customer segments include remote learning, virtual offices, online casinos, productivity, watch parties and more. We are three technical founders from the University of Waterloo, and worked as engineers at Facebook, Yahoo, and Lyft. Our technology is battle-tested–we currently stream over 1.25M hours of video per month across every continent. https://hyperbeam.com?ch=yc
    developer-tools
    elearning
    virtual-reality
    api
    remote-work
  • Theneo
    Theneo (w2022)Active • 15 employees • San Francisco, CA, USA
    Next-Gen API Documentation with AI Brilliance. Generate Stripe-like API docs in just a few seconds.
    artificial-intelligence
    developer-tools
    api
    ai
  • Talc
    Talc (s2023)Active • 3 employees • Seattle, WA, USA
    Talc builds datasets 100x faster than human labels while outperforming humans in quality. We build custom datasets in any domain, and have replaced human labels for teams in fields ranging from Medical care to Insurance.
    developer-tools
    ai
  • Imbue (formerly Generally Intelligent)
    Imbue (formerly Generally Intelligent) (s2017)Active • 15 employees • San Francisco, CA, USA
    Imbue builds AI systems that reason and code, enabling AI agents to accomplish larger goals and safely work in the real world. We train our own foundation models optimized for reasoning and prototype agents on top of these models. By using these agents extensively, we gain insights into improving both the capabilities of the underlying models and the interaction design for agents. We aim to rekindle the dream of the *personal* computer, where computers become truly intelligent tools that empower us, giving us freedom, dignity, and agency to pursue the things we love.
    machine-learning
    data-engineering
    ai
  • renderlet
    renderlet (w2024)Active • 1 employees • Broad St, New York, NY, USA
    renderlet is a framework that makes it easy to develop interactive applications. Building applications with high-performance graphics is very hard – existing tools are cumbersome and aren’t truly platform agnostic, leading to frequent rework. With renderlet, developers can write high-level code to describe 2D and 3D graphics without having to use low-level, platform-specific APIs. renderlet automatically compiles graphics code to WebAssembly and embeds a portable rendering engine inside any app, enabling graphics to safely and automatically render on any platform’s GPU. Our runtime is open-source: https://github.com/renderlet/wander
    developer-tools
    design-tools
    data-visualization
  • Clueso
    Clueso (w2023)Active • 3 employees • Bengaluru, Karnataka, India
    Clueso is the fastest and easiest way for companies to generate high-quality instructional videos and documentation, ideal for customer education/onboarding and employee training. Our AI transforms simple screen-recordings into studio-quality videos and step-by-step documentation in minutes.
    generative-ai
    saas
    b2b
    customer-success
    enterprise
  • Rescale
    Rescale (w2012)Active • 250 employees • San Francisco, CA, USA
    Rescale is a cloud-based platform for computational engineering and R&D, that empowers engineers and researchers to accelerate discovery, testing, and optimization. We democratize access to the latest technologies that drive greater efficiency and competitiveness, including high performance computing, simulation, modeling, AI/ML, and digital twins. The majority of industry leaders worldwide use Rescale as the backbone of R&D, connecting the digital thread of new product innovation to develop products that enrich humanity, from autonomous vehicles to drug discovery. Rescale customers include 7 of the top 10 automotive companies and 3 of the top 6 life science companies. Rescale’s full-stack, open platform automates systems, data, and workflows into a user-centric experience, so customers can focus on innovation. Choose from 1000+ pre-installed applications for multiphysics simulation and AI/ML-assisted design exploration, including commercial, open-source, and custom software. We offer the largest global network of hyperscale and specialty cloud infrastructure to leverage the latest CPU, GPU, and other specialized architectures. Rescale is enterprise-ready to enable any size organization to achieve their digital transformation goals–with unified management that gives IT teams full visibility and control of hybrid-cloud operations. Rescale’s intelligent automation gives customers flexibility to improve performance and reduce costs of computing, while our enhanced security and compliance ensures industry-leading standards are met from end to end. Getting started is simple, flexible, and free to try. Our team of experts is ready to help you achieve your most ambitious engineering goals – schedule a demo today. Join us and help us build products that change the world: www.rescale.com/careers
    cloud-computing
  • Langfuse
    Langfuse (w2023)Active • 3 employees • Berlin, Germany
    Traces, evals, prompt management and metrics to debug and improve your LLM application. Onboard via https://langfuse.com Langfuse helps you build and improve LLM applications across the entire lifecycle: develop, monitor & test: Develop: Observability, Langfuse UI & Prompt Management Monitor: Traces, Analytics, Metrics & Evaluations Test: Experiments, Releases & Datasets
    artificial-intelligence
    developer-tools
    generative-ai
    analytics
    open-source
  • Reprompt
    Reprompt (w2024)Active • 2 employees • San Francisco, CA, USA
    Generative AI applications are notoriously hard to scale to production: 90% of all Generative AI pilots never make it to production. Here’s what you can do with Reprompt: 1. Trace your responses to users across chat, RAG and function calling 2. Automatically track and hallucinations, risky inputs, and compliance issues 3. Write custom prompt overrides to handle the edge cases without changing your main prompt or pushing code
    aiops
    artificial-intelligence
    developer-tools
    b2b
    api
  • PropelAuth
    PropelAuth (w2022)Active • 6 employees • California, USA
    PropelAuth provides the right level of authentication for all stages of a company. New startups can use our hosted pre-built UIs which provide the simplest possible integration. Out of the box, our customers immediately have the same auth experience as large tech companies like Slack. As those startups grow, they can use our APIs and component libraries to pull aspects of the experience into their product. More than just authentication, we will also provide useful functions tied to a "user" or "organization", like analytics, billing/subscriptions, referral programs, etc.
    developer-tools
    saas
    b2b
    identity
  • PoplarML
    PoplarML (w2023)Active • 2 employees • San Francisco, CA, USA
    PoplarML lets you deploy any machine learning model to a fleet of GPUs as a ready-to-use and scalable API endpoint with one command.
    aiops
    artificial-intelligence
    machine-learning
    b2b
    api
  • Keep
    Keep (w2023)Active • 3 employees • Tel Aviv-Yafo, Israel
    Keep is an open-source AIOps platform. Keep acts as a single pane of glass to all your alerts from any monitoring tool and helps you turn 1000s into just 10s of meaningful alerts.
    saas
    b2b
    open-source
    monitoring
  • CircuitLab
    CircuitLab (w2013)Active • 2 employees • Redwood City, CA, USA
    CircuitLab makes it easier for electrical engineers, students, and electronics hobbyists to design, analyze, build, and share electronic circuits.
    hardware
    saas
  • Webiny
    Webiny (w2021)Active • 6 employees • London, UK
    When the public cloud appeared migration was easy. Existing apps running on physical servers could just be moved to virtual machines running in the cloud. The cloud is now moving towards serverless, and serverless is not backward compatible. New tools need to be created and existing apps need to be rewritten. Webiny provides developers with everything they need to build those serverless apps. We are a 100% remote team.
    developer-tools
    b2b
    open-source
  • Mobot
    Mobot (w2019)Active • 40 employees • New York, NY, USA
    Mobot (YC W19) is a QA-as-a-service platform using actual mechanical robots to automate testing of repetitive functions on real mobile devices. Mobot's human-supervised robots make it possible to automate mobile app tests that emulators, virtual devices, and existing frameworks can't. This approach eliminates thousands of hours of manual testing, increases testing efficiency and physical device coverage, and captures more bugs in-app before app store launches than software can do alone.
    developer-tools
    hardware
    b2b
  • testRigor
    testRigor (s2021)Active • 25 employees • San Francisco, CA, USA
    testRigor is an executable specifications engine to help companies to empower their manual QA to be able to build automation 15X than QA engineers and spend 200X less time maintaining the code.
    developer-tools
    saas
  • Wild Moose
    Wild Moose (w2023)Active • 3 employees • New York, NY, USA
    Wild Moose helps on-call developers more quickly identify the source of production incidents. We do this by providing a conversational AI trained on their environment. We feed observability data into a Large-Language Model. Then, when something breaks, they can just ask the moose a question and get an answer.
    artificial-intelligence
    developer-tools
    generative-ai
    saas
    b2b
  • Preloop
    Preloop (w2024)Active • 2 employees
    Only 2 out of 10 ML models make it from experiment to production. Preloop helps automate the process of deployment, helping companies realize more value from their machine learning teams, while focusing teams' attention on science instead of engineering.
    artificial-intelligence
    deep-learning
    developer-tools
    machine-learning
    data-science
  • Rutter
    Rutter (s2019)Active • 24 employees • San Francisco, CA, USA
    Rutter is building a universal API for e-commerce platforms, accounting systems and payment processors. Similar to the financial market before Plaid, the world of business financial data is split across hundreds of platforms like e-commerce storefronts, marketplaces, accounting systems and payment processors, such as Shopify, Amazon, Quickbooks, Netsuite, Stripe and others. Each of these platforms has its own app store or its equivalent, and the enterprising developer must spend thousands of hours building integrations in order to access the entire market. Rutter is an integration layer for any company building integrations into commerce or accounting platforms. You can learn more about our universal API here: https://www.rutter.com/
    developer-tools
    fintech
    b2b
  • Serra
    Serra (s2023)Active • 2 employees • San Francisco, CA, USA
    Serra is Tableau for data infrastructure. Serra enables smaller, less-technical teams to build cloud data infrastructure—batch and real-time data pipelines, rapid SQL analytics, and scalable data science and ML—through a user-friendly dashboard.
    developer-tools
    big-data
    data-engineering
    ai
  • Echoes HQ
    Echoes HQ (s2021)Active • 3 employees • Amsterdam, Netherlands
    Echoes gives engineering leaders visibility into the alignment of engineering efforts against the business goals and whether their deliveries are having actual business impacts. By doing so we enable engineering leaders to make informed decisions on hiring and priorities, to communicate effectively on their team's activity to their business partners/bosses/investors, and to build engagement by putting their team's work into context. We achieve this by offering a seamless way for engineers to connect their day-to-day contributions to their intent, creating the missing link between tech outputs and business outcomes.
    developer-tools
    saas
    b2b
  • DataShare
    DataShare (s2023)Active • 1 employees • Austin, TX, USA
    DataShare is a data-as-a-service platform that lets you embed charts, dashboards and exports directly into your product. For example, if you run an accounting startup, DataShare would enable you to embed a full profit and loss dashboard, with downloadable statements. DataShare is backed by an enterprise-grade data warehouse, and can be implemented in fewer than 20 lines of code.
    analytics
    data-engineering
    databases
  • Dashdive
    Dashdive (w2023)Active • 2 employees • San Francisco, CA, USA
    Dashdive attributes AI/LLM and cloud costs to customers, teams and products at the endpoint invocation level using observability tools. This allows software companies to optimize their pricing and evaluate the profitability of each product.
    finops
    saas
    enterprise-software
  • OpenFoundry
    OpenFoundry (w2024)Active • 2 employees • San Francisco, CA, USA
    OpenFoundry is an open source platform that helps engineers build, deploy, and scale their open source AI stack 10x faster. Ship your AI stack with just one line of code. You could think of us as an open source alternative to Hugging Face. Learn more and check out a demo of this in action in our Launch YC post: https://www.ycombinator.com/launches/KhY-openfoundry-developer-infrastructure-for-open-source-ai
    developer-tools
    b2b
    open-source
    infrastructure
    ai
  • Endla
    Endla (s2021)Active • 8 employees • Brisbane QLD, Australia
    Endla increases the value of oil & gas wells by providing software that helps design the well that maximizes ROI. Our product AlphaSpace, optimizes the well design by automatically producing many high-quality options which the engineer can then measure against their business objectives (auto-design). Having software that finds the optimal solution, empowers the engineer to work a layer up on understanding the problem and specifying the important objectives. Our vision is to make auto-design and auto-operation software part of the workflow for every engineer working with physical assets.
    analytics
    energy
    big-data
  • Customily
    Customily (s2021)Active • 30 employees • St. Louis, MO, USA
    Customily is a design tool that makes it easy for e-commerce stores to sell personalized products. Online stores embed our tool in their site to let their customers design custom phone cases, t-shirts, mugs, and more.
    saas
    b2b
    e-commerce
  • Depot
    Depot (w2023)Active • 3 employees • Montpellier, France
    Depot builds Docker containers up to 40 times faster. Companies like PostHog, Wistia, Appsmith, and Secoda use Depot to save tens of hours of build time every day. Kyle and Jacob worked together as staff engineers for the past 4.5 years at Thorn and Era Software. Depot is their solution to the wildly inefficient container build tooling they encountered throughout their careers.
    developer-tools
    saas
    b2b
    devops
  • Aesthetic
    Aesthetic (s2018)Active • 4 employees • New York, NY, USA
    Trained on your unique style, Aesthetic generates high-quality visuals that match your aesthetic in seconds.
    design
    ai
  • Zeplin
    Zeplin (s2015)Active • 140 employees • San Francisco, CA, USA
    Zeplin is an organized workspace to publish finalized designs, where the entire team can collaborate to ship beautiful products together. We were founded in 2014 and today we are honored to support 5+ million users from thousands of product teams including Apple, Starbucks, Salesforce, Amazon, Microsoft, Audi and many more. We’re a Y Combinator startup, also backed by amazing investors like Elad Gil, Mike Maples, Kevin Hale. We’re a distributed crew with offices in San Francisco, Istanbul and London. We're Hiring! Please apply directly on Zeplin's job site: https://zpl.io/jobs
    developer-tools
    saas
    design-tools
  • Aviator
    Aviator (s2021)Active • 6 employees • San Francisco, CA, USA
    Aviator is a developer tool that automates merge workflows and keeps builds healthy. Engineers save up to 5 hours a week and avoid frustration of broken builds. Our users include Slack, Bosch, Lightspeed, Square, Benchling, Figma and many others. For instance, Slack went from 180 master-build failures per quarter to just 1 build failure when they started using Aviator. Our goal is to become the leading brand for developer experience.
    developer-tools
    saas
    b2b
  • Mergent
    Mergent (s2021)Active • 1 employees • Austin, TX, USA
    Mergent is a task scheduling API that makes it super easy for developers to schedule and manage background tasks like notifications, data processing, and third-party integrations. We provide a simple well-documented API that any developer can instantly start using straight from our website.
    developer-tools
  • Codeparrot
    Codeparrot (w2023)Active • 2 employees • Bengaluru, Karnataka, India
    CodeParrot is a developer first design to code tool. It uses AI to convert components from Figma files / screenshotsto production-ready code.
    developer-tools
  • Squire.ai (fka EchoLayer)
    Squire.ai (fka EchoLayer) (s2021)Active • 8 employees • San Francisco, CA, USA
    Squire is a devtool that works with you by writing pull request descriptions, reviewing PRs, and writing code to implement code review feedback.
    developer-tools
    saas
    compliance
    security
    ai
  • Karate Labs
    Karate Labs (w2022)Active • 2 employees • Wilmington, DE, USA
    Karate is an open-source unified test automation platform combining API testing, API performance testing, API mocks & UI testing. 1.5 million monthly downloads, used by 500+ companies including 76 of the Fortune 500, are a testimony of Karate removing friction from the developer experience (DX). We did this by making it exceptionally simple to write tests (low code), simulating end-user workflows accurately, re-using API tests as performance tests, parallel execution, and collaboration via Git. Staying true to Karate’s “LOCAL-FIRST” approach (user data remains within the customer's firewall, ensuring security and addressing any concerns), we launched the official Karate plugins (IntelliJ and VS Code) for frictionless onboarding, simplified installations, configuration, and maintenance. Our plugins include all Karate open-source features, including exploring of APIs, and premium features (testing for Async APIs, API documentation, API data importer and more).
    developer-tools
    saas
    api
  • Abstra
    Abstra (s2021)Active • 10 employees • Rio de Janeiro, State of Rio de Janeiro, Brazil
    Scale business processes with orchestrated scripts, integrations and UIs. Skip engineering hours, stay auditable & lock-in free.
    artificial-intelligence
    developer-tools
    saas
    b2b
    automation
  • Leaping
    Leaping (w2024)Active • 2 employees • San Francisco, CA, USA
    When bad software gets shipped, software companies burn a lot of money and customer trust fixing it. Most software engineers will tell you they spend more time fixing code than writing it, which will only become more true as AI code assistants gain adoption. Leaping autonomously root causes bugs and generates tested code fixes.
    developer-tools
    ai-assistant
  • Repaint
    Repaint (s2023)Active • 2 employees • San Francisco, CA, USA
    Repaint is a website building tool made for designers. You click and drag elements on a canvas, and then deploy your creation with one click. Our goal is to make a tool that allows people to create fully-featured web apps without coding.
    developer-tools
    saas
    design
    design-tools
  • Massdriver
    Massdriver (w2022)Active • 11 employees • Los Angeles, CA, USA
    Massdriver helps engineering and operations teams build secure, production-ready internal developer platforms in minutes. With over 50+ infrastructure components engineering teams can build golden paths quickly on Kubernetes, serverless, or VMs. Get the flexibility product engineers need, with the auditing and security operations teams’ demand. We handle all the boring parts of cloud operations like IAM, secrets, continuous deployment, alerting, and monitoring so your team can focus on the product. Massdriver supports anti-lockin, by running in your cloud, and open-sourcing all of our infrastructure components.
    developer-tools
    devsecops
    kubernetes
  • authzed
    authzed (w2021)Active • 17 employees • New York, NY, USA
    We build the tools companies need to provide performant and scalable authorization for their applications. We’re founded by 3 successful entrepreneurs with expertise in enterprise software, most recently as leaders at Red Hat. Jake and Joey met on the APIs team at Google in 2010. They went on to found Quay, where Jimmy joined as their first hire. Over the past decade, they’ve changed the landscape for building and deploying software.
    developer-tools
    saas
    security
    open-source
    data-engineering
  • Mio
    Mio (w2016)Active • 12 employees • Austin, TX, USA
    Mio powers seamless communication between Slack, Microsoft Teams & Webex Teams. The Austin, Texas-based company was founded by Tom Hadfield and James Cundle in November 2015. M.io has raised $12m from investors including Goldcrest Capital, Eniac Ventures, Two Sigma Ventures, Khosla Ventures, Y Combinator and Capital Factory. Ready to sync your teams? Learn more and get started at https://m.io/
    saas
    messaging
    team-collaboration
  • OneGrep
    OneGrep (w2024)Active • 2 employees • New York, NY, USA
    OneGrep is an Observability copilot that helps engineers resolve incidents 10X faster while being more cost-efficient. It plugs into existing telemetry pipelines and knowledge bases so that software engineers can resolve incidents, with real-time data, in minutes instead of hours. Achintya and Brian are technical co-founders who have deep domain expertise in building and operating systems at scale at Coinbase, Disney, and Amazon. Achintya led the Search Team at Disney enabling DisneyPlus to scale to 70M users in two weeks. Brian was a founding engineer on the team that built the Incident Management Platform at Amazon that helps 30k DAUs in Amazon resolve critical incidents every day. https://www.onegrep.dev
    developer-tools
    b2b
    devops
    ai
  • Aspect
    Aspect (s2019)Active • 1 employees
    Build and publish user interfaces quickly.
    developer-tools
    saas
  • Onedoc
    Onedoc (w2024)Active • 3 employees • Paris, France
    Onedoc is an API for PDF document workflows. Onedoc enables developers to perform any PDF task like generation, form filling, digital signature and more. Our open-source library helps developers build complex documents that integrate with our API and external services to build document-centric workflows.
    documents
    developer-tools
    b2b
    api
  • Openlayer
    Openlayer (s2021)Active • 6 employees • San Francisco, CA, USA
    Track prompts and models. Test edge cases. Catch errors in production. Evaluate your AI with one-line of code.
    aiops
    developer-tools
    generative-ai
    machine-learning
    ai
  • Jamsocket
    Jamsocket (w2022)Active • 3 employees • New York, NY, USA
    We are a platform for high-performance browser-based applications. We make it easier for developers to deploy apps that give every user a dedicated backend. This is a system design that apps like Figma and GitHub codespaces use, but it's currently difficult for others to replicate it. We make it as easy as deploying a traditional web server.
    cloud-computing
  • Kitemaker
    Kitemaker (w2021)Active • 5 employees • Oslo, Norway
    Kitemaker is a faster and more collaborative alternative to Jira optimized for remote teams. It's helping teams spend less time and effort on collaboration by providing a place for discussing and documenting initiatives, it collects activities and discussions across tools, and it's fast and simple to use. Unlike tools like Jira and Notion, our primary focus is helping software development teams spend less time coordinating across tools and roles so they have more time figuring out and building the things their users want.
    developer-tools
    productivity
    team-collaboration
    remote-work
  • Revideo
    Revideo (s2023)Active • 2 employees • Berlin, Germany
    We build tools that let developers create videos programmatically. Revideo, our open-source framework, lets you define visuals and audio in Typescript, preview them in real time, and render your creations with dynamic inputs.
    developer-tools
    open-source
  • Dragoneye
    Dragoneye (w2024)Active • 2 employees • New York, NY, USA
    Dragoneye helps devs build powerful apps and features that use images and videos. With our cutting-edge AI tech, folks can recognize things in the world with high accuracy and deep granularity, right out of the box. No more arduous process of annotating any training data or doing any machine learning work themselves. For example, retailers can turn their product images into rich product metadata. With this highly detailed metadata, we help these companies to supercharge their commerce solutions and importantly, drive revenue by enhancing everything from site search to buying analytics. Overview Video: https://www.youtube.com/watch?v=opRMn48z9dM
    artificial-intelligence
    developer-tools
    computer-vision
    ml
  • AminoAnalytica
    AminoAnalytica (s2024)Active • 3 employees • San Francisco, CA, USA
    Even a fully functional protein-based drug is useless if it can't be manufactured. Currently, biopharma companies resort to testing proteins in the lab to ensure that they’re not only safe, but actually manufacturable in the real world. With our software, biopharma can move away from using rules of thumb and trial-and-error testing, towards rational drug design across unexplored protein spaces. By optimizing the properties of these proteins, novel drugs can finally be realized – ultimately, improving more people's lives.
    saas
    biotech
    manufacturing
  • Blocksfabrik
    Blocksfabrik (w2023)Active • 5 employees
    Blocksfabrik automatically generates interface components - such as colors, buttons and inputs - using only the company’s design guidelines. Companies use us to help front-end developers ship faster, and ensure they’re always working with the latest designs, saving 100s of thousands of dollars in the process.
  • Dataland
    Dataland (s2020)Active • 2 employees • New York, NY, USA
    Dataland is the easiest way to deliver high-quality internal tools to your business users. It's secure, easy-to-use, and sets up in minutes. Dataland uses GenAI to enable business users to construct their own internal tools without blocking on engineering.
    saas
    b2b
    data-engineering
  • Athina AI
    Athina AI (w2023)Active • 5 employees
    Athina is an evaluation framework and production monitoring platform for your LLM-powered app. Athina is designed to enhance the performance and reliability of AI applications through real-time monitoring, granular analytics, and plug-and-play evaluations. We provide powerful tools (both open-source and closed-source) to assist LLM developers through all stages of the development lifecycle – development, iteration, and production. In just 10 minutes, you can start monitoring and evaluating with Athina, allowing you to focus on developing your AI with the best tools on the market.
    aiops
    artificial-intelligence
    machine-learning
    ai
  • Gigs
    Gigs (w2021)Active • 65 employees • San Francisco, CA, USA
    Gigs is the world’s first telecom-as-a-service platform. By enabling any company to launch its own wireless service in a matter of days, Gigs helps its customers differentiate their product offering, increase customer stickiness and unlock new revenue streams through embedded connectivity. As the only end-to-end connectivity provider, Gigs offers a broad set of products and services, including premium wholesale, a hosted checkout, subscription management, payments, analytics, AI, and more. The company is backed by Google, Y Combinator, and prominent business angels and investors like Dara Khosrowshahi (CEO of Uber), Tony Xu (Co-founder & CEO of DoorDash), and Fidji Simo (CEO of Instacart). The company was founded by Hermann Frank and Dennis Bauer in 2020 and currently employs over 60 people in the US and Europe. For more information, please visit: gigs.com.
    fintech
    saas
    hr-tech
    api
  • Sendo
    Sendo (w2022)Active • 1 employees • New York, NY, USA
    We're making it easy, cheap and fun for startups to build on SMS again. Sendo is the most developer-friendly SMS API, with great documentation, a fast dashboard, helpful monitoring features, easier 10DLC compliance and much more. Save 40%+ compared to Twilio and other options, and get started sending messages in 1-2 days instead of waiting weeks for your 10DLC campaigns to get approved.
    developer-tools
    messaging
    api
    sms
  • Metofico
    Metofico (w2024)Active • 2 employees • London, UK
    Metofico provides a no-code data analysis tool tailored for the life sciences. Our platform enables life scientists to analyse complex/massive datasets and extract necessary insights without needing advanced programming skills. This accessibility helps both researchers new to data science and experts save months of work. Metofico aims to be the leading centralized platform for data analysis in life science research, covering a wide range of applications from brain activity analysis (like photometry and EEG) to AI-powered detection and tracking of research animals. Our vision is to accelerate research processes and enhance the quality of research outputs across the board. By streamlining complex data analysis and making it more accessible, we’re committed to driving forward scientific discoveries and innovation.
    saas
    data-science
    no-code
    data-visualization
  • FlowiseAI
    FlowiseAI (s2023)Active • 5 employees
    Flowise uses low-code approach that enable developers to manage the whole lifecycle of building LLMs apps in production. From protoyping, evaluation, to iterations.
    developer-tools
    generative-ai
    open-source
    ai
  • Serial
    Serial (w2023)Active • 2 employees • San Francisco, CA, USA
    Serial is software to help manufacturers root cause problems in minutes not days and avoid millions in liabilities. Our solution integrates with data sources from any production line, enabling engineering & operations teams to ask questions about their manufacturing data and instantly get answers. Serial will become the single source of truth for manufacturing data. Our founding team has 10+ years of manufacturing and product design experience from Apple, Tesla, and more. We have suffered this problem firsthand and are building the tool to fix it.
    saas
    analytics
    manufacturing
  • Povio
    Povio (w2014)Active • 250 employees • San Francisco, CA, USA
    Povio is helping founders build their digital products. With over 1000 successfully delivered projects, we have worked together with multinationals like Volkswagen, unicorns like Flexport and notable personalities like Serena Williams. Povio has an in-house team of over 200 developers, designers and project managers. Additionally the company is backed by a network of 300+ on-demand freelancers that have gone through our hiring process and can help scale the projects. We work on the entire product journey, from research and product design to development, maintenance and engineering team scaling. With a rigorous hiring process, we assure the highest quality possible and strive to create long term relationships by partnering with our clients.
    marketplace
    b2b
  • Momentic
    Momentic (w2024)Active • 2 employees
    Momentic lets developers author E2E tests 10X faster. We make AI do the heavy lifting for you: finding elements, reasoning about assertions, visual comparisons, and even generating whole test cases! Momentic's low-code test editor replaces traditional test scripts with AI-powered, self-healing steps. It seamlessly integrates into your existing workflows: from local development to CI/CD environments and production.
  • Fern
    Fern (w2023)Active • 6 employees • New York, NY, USA
    APIs underpin the internet but are still painful to work with. They are often untyped, unstandardized, and out-of-sync across multiple sources of truth. Fern enables businesses to offer “Stripe-level” SDKs (client libraries) and Docs for their REST API. Inspired by internal tooling we saw at AWS and Palantir, we’re building Fern to let every engineering team offer easy-to-use and well-documented APIs. Founded in 2022, we’re less than 10 people, building open source, and backed by YCombinator. We work together in our office in the Williamsburg neighborhood of Brooklyn, NY. Our customers include Cohere, ElevenLabs, Webflow, and Merge.dev.
    developer-tools
    saas
    b2b
    open-source
    api
  • Fume
    Fume (w2024)Active • 2 employees • San Francisco, CA, USA
    We are building an AI software developer that can solve complex tasks. All of those bugs, sentry errors, feature requests can now be handled by Fume now. Just report them over Slack and tag Fume under it. Fume will solve all of them in minutes. If you find yourself copying and pasting code over to ChatGPT all the time, shoot me an email at emre@fumedev.com
    artificial-intelligence
    developer-tools
    b2b
  • CommandBar
    CommandBar (s2020)Active • 22 employees • San Francisco, CA, USA
    Our software makes other software better. Product teams embed CommandBar in their products to help their customers onboard faster, adopt new features, learn new worfklows, and get help in-app where they are. What began with our flagship product – a magical search bar that lets users find anything in the app they were using – has since grown into a powerful platform for building great software. We help our customers ship delightful product tours, surveys, onboarding checklists, in-app help docs, and AI-powered copilots – fast. We’re obsessed with helping people get more done with computers and measure our success by the number of humans we serve. Today that’s over 15 million and counting as we work with some of the world’s most forward-thinking companies like Netlify, AngelList, Gusto, and Shortcut. We’re well funded, have strong early traction, and have build an incredibly talented team that’s low-ego and distributed across the world. It’s still day zero at CommandBar though. There’s a ton of room for you to have an outsized impact on our trajectory and do the best work of your career
    b2b
    productivity
  • NanoNets
    NanoNets (w2017)Active • 55 employees • San Francisco, CA, USA
    NanoNets is machine learning API for developers which requires 1/10th of data and no machine learning expertise to train a model. Upload the data, wait for a few minutes and get a model you can query over their easy to use cloud API. Often companies do not have enough data to train a machine learning model on their own using state of the art algorithms as well as don't have enough data scientists to work on those problems. NanoNets solves both these problems for companies.
    artificial-intelligence
    developer-tools
    saas
    b2b
  • FlutterFlow
    FlutterFlow (w2021)Active • 50 employees • San Mateo, CA, USA
    We're building a visual application development platform to dramatically improve the time to market and quality of digital experiences. FlutterFlow helps companies and product teams improve developer efficiency, accelerate project timelines, and reduce costs for large-scale business applications. Our customers include some of the largest banking, consulting, telecom, and manufacturing companies in the world. We have more than 1.3M users in more than 200 countries and regions around the world. We’re a remote first team headquartered in the San Francisco Bay Area. We have offices in Mountain View, New York City, and Singapore.
    developer-tools
    saas
    design-tools
  • Font Awesome
    Font Awesome (s2015)Active • 17 employees • Bentonville, AR, USA
    Add a line of code and get thousands of icons and social logos on your website instantly. Easy to set up, easy to use, and crazy powerful. Let us take care of the icons so you can get back to the important stuff. Font Awesome. Go make something Awesome.
    developer-tools
    saas
    design-tools
    open-source
  • Continue
    Continue (s2023)Active • 2 employees • San Francisco, CA, USA
    Continue keeps developers in flow. Our open-source VS Code and JetBrains extensions enable you to easily create your own modular AI software development system that you can improve
    artificial-intelligence
    developer-tools
    devsecops
    machine-learning
    open-source
  • Zelos Cloud
    Zelos Cloud (s2023)Active • 3 employees
    Zelos Cloud is accelerating electronics product development with powerful tools for emulation, tracing, and automated testing on real microcontrollers in the cloud. As firmware engineers, we spent years developing and shipping products at scale. Between batteries, bootloaders and brain implants, we've seen it all. Our mission is to build the tools we wish we had to enable teams to ship higher quality products, faster.
    hard-tech
    manufacturing
    data-visualization
  • Kraftful
    Kraftful (s2019)Active • 6 employees • San Francisco, CA, USA
    Helping product builders to listen to users at scale so they can make something people want.
    artificial-intelligence
    generative-ai
    b2b
    nlp
    ai
  • Draftbit
    Draftbit (w2018)Active • 10 employees • Chicago, IL, USA
    We're building Draftbit to make it easier for everyone to build, launch, and iterate on mobile apps. And do it without writing code, unless you want to. Over time, we hope to make building great looking, high quality apps as easy as (or easier than?!) launching a website is now. And by doing so, we hope to democratize software development, allowing anyone to turn their idea into reality, and build it into something great.
    developer-tools
    design-tools
  • Quilt Data (w2016)Active • 6 employees • San Francisco, CA, USA
    We realized that S3 is kind of like "git for data" and have created services that make S3 function as a data hub for teams. Quilt consists of a Python Client, a web catalog for browsing and visualizing S3, and a CloudFormation backend for compute and identity management.
    analytics