Y Combinator (also known as YC) is a US-based seed accelerator, which was started in March 2005.
General Catalyst is a venture capital firm that invests in early-stage start-ups in education, research, health care, and social work.
KPCB Edge was a San Francisco-based microventure capital firm that invested in seed stage founders working on emerging areas of technology.
U.S-based venture capital firm funding seed and early stage companies in the United States.
645 Ventures invests in technology companies focused on SaaS, application software, financial software, consumer internet, and online marketplaces.