Productivity Power Tools - Extension for Visual Studio - A set of extensions to Visual Studio 2012 Professional (and above) which improves developer productivity.

Stack Overflow - Community-based Q&A part of the Stack Exchange platform.

Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.

The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.

Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.

Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.