AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
CoRepo - A free and open company search engine.
Capterra - Capterra helps millions of people find the best business software. With software reviews, ratings, infographics, and the most comprehensive list of the top business software products available, you're sure to find what you need at Capterra.
AngelList - Access top deals through investor-led syndicates
Top Best Alternatives - Search and choose the right software alternative with our crowdsourced software recommendation engine.
Angel Match - A database of 94,000+ Angels and VCs to raise your capital