The Best 39 Stack Exchange Alternatives

  • Quora icon

    Quora

    Quora.com is a question/answer service allowing users to pose questions that other users can answer, each question and answer can have comments, each users can write one individual answer and there can be a summary answer.

    Free Android iPhone Web

    Anonymity Q&A
  • Slant icon

    Slant

    Slant is a collaboratively edited resource that helps you quickly make decisions. Instead of having to read multiple blog posts or dig through comment threads you can read summarized perspectives on topics with no definitive answer.

    Free Web

    Real time collaboration Q&A Genious UI
  • Steemit icon

    Steemit

    A non-censored social platform where users are incentivized to contribute and curate content. The users decide what is valuable by voting, and content regarded valuable is rewarded with money.

    Free Open Source Web

  • Question2Answer icon

    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 popular Q&A solution.

    Free Open Source Mac OS X Windows Linux Web Self-Hosted PHP MySQL Community Edition

  • Yahoo! Answers icon

    Yahoo! Answers

    Yahoo! Answers is a way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

    Free Web

  • Askme icon

    Askme

    Startups get your queries answered by the World's Top Investors and Entrepreneurs. Startups + Investors +Entrepreneurs Connect.

    Free Web

  • AskBot icon

    AskBot

    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 some code written for OSQA.

    Freemium Web Self-Hosted Django Python

  • OSQA icon

    OSQA

    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.

    Free Open Source Web Self-Hosted Django Python

  • Shapado icon

    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 information flow.

    Freemium Linux Web

  • CodeProject icon

    CodeProject

    CodeProject is a community of Software development and Design developers joined together with certain common goals: to learn, to teach and to have fun programming.

    Free Web

  • Mamute icon

    Mamute

    A tool for community driven questions and answers. Includes voting, mark as solved, tags and many more.

    Free Open Source Self-Hosted

  • Solace icon

    Solace

    Solace is a fully open-sourced multilingual support and knowledge exchange platform written in Python.

    Free Open Source Mac OS X Windows Linux Web

    Knowledge base Q&A
  • Shrtct icon

    Shrtct

    Shrtct is a productivity tool for teams, providing in-context communication (chit chat free!) via Shrtct Hashes.

    Free Personal Web

    Knowledge base Q&A
  • Bitfortip icon

    Bitfortip

    Bitfortip offers a unique use case thanks to Bitcoin. Use Bitfortip to: Find a item (i.e. a dress ) that you saw on a magazine,website, Pinterest or Instagram and you don't know where to buy it online.

    Free Android Web

  • Coordino icon

    Coordino

    Coordino allows you to create a question and answer system for you and your users to enjoy.

    Free Open Source Linux Web Self-Hosted

  • Allthink icon

    Allthink

    Grow your audience with a custom news community. Users can signup, submit links, like them, and comment. Style the look and feel of your community to match your brand. Use any domain or subdomain you wish for your community. Free and easy.

    Free Web

  • Boardest icon

    Boardest

    Boardest.com is a forum, question/answer and link sharing service allowing users to ask questions, open discussion threads and share links that other users can comment and contribute.

    Free Web

  • Tesse icon

    Tesse

    Tesse is an expert search engine which allows you to search and connect with global experts by a keyword of skills or expertise. It is an on-demand platform for...

    Free Android iPhone Web