Google Open Source - All of Googles open source projects under a single umbrella
Product Comparisons - Compare any 2 software products
SmallDevTools - Handy developer tools with a delightful interface
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.
whatdevsneed - This is whatdevsneed.
TestBox - Test drive your software options before you buy