Auctomatic, a Y Combinator company, offers an auction and marketplace management system for all of those individual sellers on such sites as Ebay, Amazon, Overstock and others. The application lets you list your items as well as manage your sales, but it also helps you understand how to best optimize your selling and maximize profits. The company also received an investment from Paul Buchheit, the lead developer of Gmail.
Harj Taggar was previously the co-founder & CEO of Triplebyte, a technical skills assessment for software engineers, funded by Y Combinator in 2015. Before that, he joined YC in 2010 as the first non-founding partner. During college he founded Auctomatic, which was funded by YC in 2007 and acquired by Live Current Media in 2008.