Stack Overflow Stack Overflow, part of Stack Exchange , is a free, community-driven, reputation-based Q & A site for computer programmers. No... Free Web Android iPhone Q&A Knowledge base Add a feature 354 Like
Stack Exchange Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software programming to cooking to photography and gaming.... Free Web Android iPhone Android Tablet iPad Q&A Add a feature 216 Like
Question2Answer A Q&A site helps an online community to share knowledge. No matter what your area of interest, people with questions can get super answers fast. Question2Answer is a... Free Open Source Mac OS X Windows Linux Web MySQL Community Edition ... Self-Hosted PHP Q&A Add a feature 16 Like
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Shapado Shapado is a questions and answers site for your enterprise or community, your “knowledge base on the cloud”. It makes sure questions never get asked twice by making the... Freemium Linux Web Knowledge base Add a feature 7 Like
AllAnswered AllAnswered.com is a free hosted service for any community to build their own Stack Overflow-like Q&A board. Check it out to see how easy it is to have your own... Free Mac OS X Windows Linux Web Android ... iPhone Chrome OS Android Tablet Windows Phone iPad Knowledge base Q&A Add a feature 3 Like
Shrtct Shrtct is a productivity tool for teams, providing in-context communication (chit chat free!) via Shrtct Hashes. It's great for preparing your team, making important... Free Personal Web Knowledge base Q&A Add a feature 4 Like
Askalot Askalot is a next generation CQA (Community Question and Answer) system. Free Open Source Self-Hosted Q&A Add a feature 1 Like
