The Best 17 Question2Answer Alternatives

  • Stack Exchange icon

    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 Android iPhone Android Tablet iPad Web

  • 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

    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

    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

  • 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

  • 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.

    Free Open Source Web Self-Hosted

  • 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

  • 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

  • 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

  • Askalot

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

    Free Open Source Self-Hosted

  • 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

  • Eris Solver

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

    Free Web

  • LampCMS

    LampCMS is an full-featured Open Source Question and Answers web program written in PHP with deep integration with Facebook, Twitter, Google, Linked-IN, Tumblr and...

    Free Open Source Self-Hosted PHP MySQL Community Edition MongoDB

  • Niko

    Niko makes it incredibly easy for employees at all levels to share what is on their mind by letting them submit, vote on, and respond to questions, ideas and...

    Freemium Web Self-Hosted