200 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
40 Like Super User Good alternative? YES NO Super User, part of Stack Exchange , is a Q&A site for computer enthusiasts that's free. Free to ask questions, free to... Free Web Q&A Add a feature
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
18 Like Server Fault Good alternative? YES NO Server Fault is a Q&A site for system administrators and IT professionals that's free. Free to ask questions, free to answer questions, free to read, free to... 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
4 Like Coordino Good alternative? YES NO Coordino allows you to create a question and answer system for you and your users to enjoy. Whether you are looking to create a niche question and answer site for... Free Open Source Linux Web Self-Hosted Q&A Add a feature
3 Like Experts Exchange Good alternative? YES NO The Mission Our patented knowledge-sharing process, combined with the advantages of the Internet, allow us to change the way people solve their technology problems... Commercial Web Q&A Add a feature
1 Like Askalot Good alternative? YES NO Askalot is a next generation CQA (Community Question and Answer) system. Free Open Source Self-Hosted Q&A Add a feature
0 Like BitAsker Good alternative? YES NO BitAsker is a paid question and answer plateform using Bitcoin ... a user can win money by answering a question. Free Web Q&A Add a feature
