Open Source Self-Hosted Stack Overflow Alternatives

    Stack Overflow is not available as a self-hosted solution but there are some alternatives for power users and business that want to host a solution on-premise. The most popular Self-Hosted alternative is Small Question2Answer iconQuestion2Answer, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Stack Overflow and eight of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Stack Overflow are Small Scoold iconScoold (Free, Open Source), Small AskBot iconAskBot (Freemium, Open Source), Small Talkyard iconTalkyard (Free, Open Source) and Small OSQA iconOSQA (Free, Open Source).

    The list of alternatives was last updated Nov 27, 2020

    • 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.
      Most users think this is a great alternative to Stack Overflow.
      View 17 alternatives to Question2Answer
      • Free • Open Source
      • Mac
      • Windows
      • Linux
      • Online
      • MySQL Community Edition
      • Self-Hosted
      • PHP
      thats the best alternative... and you can freely install this system on your web
      Positive comment over 1 year ago 1 users agree and 2 don't

    • Scoold is inspired by StackOverflow and implements most of its features. You can ask and answer questions, upvote and downvote posts, earn badges and reputation.
      Most users think this is a great alternative to Stack Overflow.
      View 25 alternatives to Scoold


    • Open source question and answer forum written in Python and Django.
      View 11 alternatives to AskBot
      • Freemium • Open Source
      • Online
      • Self-Hosted
      • Python
      • Django
    • Help each other — with the main features from StackOverflow, Discourse, Slack, Reddit, and Disqus.
      View 4 alternatives to Talkyard
      No screenshots yet
      • Free • Open Source
      • Self-Hosted
      • Software as a Service (SaaS)
    • 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.
      View 17 alternatives to OSQA

      Discontinued

      The last commit to its open source code (https://github.com/dzone/osqa) is dated 2015. The official website URL (www.osqa.net) redirects to the proprietary product Answer-Hub (https://devada.com/answerhub/). www.osqa.net also happens to be in a blacklist used by the uMatrix browser extension.

      • Free • Open Source
      • Online
      • Self-Hosted
      • Python
      • Django
    • Coordino allows you to create a question and answer system for you and your users to enjoy.
      View 31 alternatives to Coordino

      Discontinued

      Repository hasn't been touched in 5 years

      • Free • Open Source
      • Linux
      • Online
      • Self-Hosted
    • Askalot is a next generation CQA (Community Question and Answer) system.
      View 13 alternatives to Askalot
      No screenshots yet
      • Free • Open Source
      • Self-Hosted
    • A self-hosted Quora like web application written in Go.
      View 67 alternatives to Guora
      • Free • Open Source
      • Self-Hosted