Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
For moneyless fun I'm running some wikis, such as Hitchwiki, Trashwiki and Nomadwiki.
Here's my personal blog.