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.
GrepCode - GrepCode.com is a code search engine built by developers for developers to search and browse open...
SimilarSites - Easily find more sites like those you like.
Snip2Code.com - Snip2Code is a free service that lets users search, share and collect code snippets, the basic...
Product Hunt - A website that lets users share and discover new products
searchcode - A source code search engine