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.

Addmefast - Building a website or network on Internet is no longer a hard task but promoting and marketing it is still a difficult task but not impossible.

Ruby Toolbox - Explore and compare open source Ruby libraries

YouLikeHits - YouLikeHits is an online service that brings results within seconds.

GitSpo - Measure & engage your open-source community

Linkcollider - Link Collider is a web-based service that is designed to grow your online business, social media networks, and personal blogs.