Ask HN: Open source Stack Overflow equivalent? Posted by jasonlbaptiste on Friday February 26, 2010 @12:38PM from the ask-hn dept. Is there an open source version of a stack overflow/Q&A software (that's fairly decent)? If not, somebody should build it. ( 4 comments | 7 points | on HN )
Rails/MongoMapper implementation: http://gitorious.org/shapado