Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
StartupRanking - Discover, rank and prospect startups worldwide
AngelList - Access top deals through investor-led syndicates
Private Equity List - Private equity, venture capital database that focuses on growing sectors in emerging countries and contains contacts of investment professionals.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Fundcomb - Freely searchable database of all investor types globally