327 Like Stack Overflow Good alternative? YES NO 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 Add a feature
197 Like Stack Exchange Good alternative? YES NO 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
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14 Like Question2Answer Good alternative? YES NO 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 Windows Linux Web MySQL Community Edition Self-Hosted PHP Q&A Add a feature
11 Like AskBot Good alternative? YES NO Askbot is a Q&A system, like StackOverflow, Yahoo Answers and some others. Askbot is based on code of CNPROG, originally created by Mike Chen and Sailing Cai and... Freemium Web Self-Hosted Python Django Q&A Add a feature
10 Like Askme Good alternative? YES NO Startups get your queries answered by the World's Top Investors and Entrepreneurs. Startups + Investors +Entrepreneurs Connect. Free Web Q&A Add a feature
10 Like OSQA Good alternative? YES NO OSQA is the free, open source Q&A system you've been waiting for. Your OSQA site is more than just an FAQ page, it is a full-featured Q&A community. Users... Free Open Source Web Self-Hosted Python Django Q&A Add a feature
5 Like Solace Good alternative? YES NO Solace is a fully open-sourced multilingual support and knowledge exchange platform written in Python. Free Open Source Mac Windows Linux Web Knowledge base Q&A Add a feature Discontinued Latest commit on Nov 29, 2009, see https://github.com/Plurk/Solace
7 Like Shapado Good alternative? YES NO 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
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1 Like Curositi Good alternative? YES NO Curositi is an online community of people having a passion for searching, researching, learning new things and acquiring knowledge. Free Personal Web No features added Add a feature
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2 Like AllAnswered Good alternative? YES NO 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 Windows Linux Web Android iPhone Chrome OS Android Tablet ... Windows Phone iPad Knowledge base Q&A Add a feature
2 Like Answers Good alternative? YES NO Answers is the place to go to ask questions and receive answers from the community at large on any topic. Connect with people who know the answers to your questions... Free iPhone Community based Q&A Add a feature
