SaaS Startups funded by Y Combinator (YC) in Boston 2025

Metaplane ensures everyone trusts the data that powers your business. Data teams at Bose, Ramp, and Klaviyo use our data observability platform to prevent and detect data issues — before the CEO pings them about weird revenue numbers. We do this with ML-based anomaly detection, end-to-end column-level lineage, and tools to help prevent incidents before they occur. You can monitor your entire data stack within 30 minutes. The company is backed by Khosla Ventures, Y Combinator, and the founders of Okta, HubSpot, and Vercel.

Panorama is a fast-growing national technology company focused on improving education. More than 2,000 school systems serving 15 million students across 50 states have adopted our platform to understand students’ academic and social-emotional strengths and to identify those in need of additional support. School systems turn to Panorama's suite of tools to ensure that every child gets the support they need, including school climate and social-emotional learning surveys, tiered intervention planning, and professional development.

Ascen is a back office platform and employer of record for staffing firms.

TetraScience provides the world’s first and only R&D Data Cloud, with a mission to transform life sciences R&D, accelerate discovery, and improve human life. Scientists at global pharma and biotech organizations rely on our innovative Tetra Data Platform for easy access to centralized, harmonized, and actionable scientific data to accelerate their digital lab transformation. With best-in-class SaaS performance, a team of industry innovators, and excellent product/market fit, Tetra is positioned to become an iconic life sciences software company.

Alpha Vantage provides enterprise-grade financial market data through a set of powerful and developer-friendly data APIs and spreadsheets. Whether you need traditional asset classes (e.g., stocks, ETFs, commodities), economic metrics, foreign exchange rates, cryptocurrencies, fundamental data or even technical indicators, Alpha Vantage is your one-stop shop for global market data delivered through REST APIs.

Vendr helps software buyers pay less for software and helps software sellers acquire customers at a lower CAC -- a no brainer for both buyers and sellers. $4 billion+ of software transacted on Vendr, across 2,500+ software sellers.

We use machine learning to accurately forecast electricity prices. Our live customers, including Enel, use our software to improve revenue by millions of dollars per year.