Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Clearbit - Clearbit provides Business Intelligence APIs
PitchBook - PitchBook is an award winning data & technology provider for the global private equity and...
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.