Alternatives to Question2Answer for all platforms with any license

  • 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

    Stack Exchange 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. Users...

    Free Open Source Web Self-Hosted Python Django

    OSQA icon
  • Scoold

    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. Each...

    Free Open Source Web Self-Hosted

    Scoold 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...

    Freemium Web Self-Hosted Python Django

    AskBot 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

    • Discontinued Latest commit on Nov 29, 2009, see https://github.com/Plurk/Solace
  • Coordino

    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

  • 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

    Shapado icon
  • AnswerCart

    AnswerCart provide a community platform to the businesses which can be integrated with websites or mobile apps. Using community, users can engage in Q&A, blogging...

    Commercial Web

    AnswerCart icon
  • Answers

    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

    Answers icon
  • Askalot

    Askalot is a next generation CQA (Community Question and Answer) system.

    Free Open Source Self-Hosted

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  • Fixoncloud

    Interaction platform for programming enthusiasts, learners, and experts to solve problems. Fast and inexpensive solutions to your programming problems. People with no...

    Free Windows

    Fixoncloud icon
  • Eris Solver

    Free crowdsolver for complex problems. Using the problem tree analysis and an interdisciplinary approach.

    Free Web

    No features added Add a feature

    Eris Solver icon
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