CoRepo - A free and open company search engine.
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
AngelList - Access top deals through investor-led syndicates
Drupe - Next generation contact manager and dialer.
Angel Match - A database of 94,000+ Angels and VCs to raise your capital
Simple Contacts - Contact lens prescriptions from home