Alternatives to Stack Overflow for all platforms with any license

Platforms

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  • 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...

    Free Web Android iPhone

  • 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...

    Open Source Mac Windows Linux Web MySQL Community Edition ... Self-Hosted PHP

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  • 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...

    Freemium Web Self-Hosted Python Django

    No features added Add a feature
  • 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. Users...

    Open Source Web Self-Hosted Python Django

    No features added Add a feature
  • 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...

    Free Web Android

    No features added Add a feature
  • 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...

    Open Source Linux Web Self-Hosted

    No features added Add a feature
  • Solace

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

    Open Source Mac Windows Linux Web

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

    asktopia

    asktopia is a global network for business professionals to ask and answer questions about real world problems they need to solve or the “whys” and “hows” of specific...

    Free Web

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  • Shrtct icon

    Shrtct

    Shrtct is a productivity tool for teams, providing in-context communication (chit chat free!) via Shrtct Hashes. It's great for preparing your team, making important...

    Free Personal Web

  • Curositi

    Curositi is an online community of people having a passion for searching, researching, learning new things and acquiring knowledge.

    Free Personal Web

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  • QueryHome icon

    QueryHome

    QueryHome is a Knowledge Social Network for people to come together and ask technical doubts and contribute by answering questions, solving doubts and writing articles.

    Open Source Web Android Android Tablet

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  • AnswerCart 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

  • AllAnswered icon

    AllAnswered

    AllAnswered.com is a free hosted service for any community to build their own Stack Overflow-like Q&A board. Check it out to see how easy it is to have your own...

    Free Mac Windows Linux Web Android ... iPhone Chrome OS Android Tablet Windows Phone iPad

  • 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...

    Free Web

    No features added Add a feature

Stack Overflow Comments

Probably not the best for all -1 Helpful

Comment by paloma
about Stack Overflow and Experts Exchange Jul 2014

This can be great if you are a native English speaker .... any misspelling and you obtain a -100000 or your question locked, the best way to obtain reputation and give + only to some who have English as mother Language. For a more professional service I recommend Experts Exchange.

Reply

Fantastic Q&A for programming

Positive Comment by Thelle
about Stack Overflow and Quora Dec 2011

Stack Overflow seems to the place to go if you have questions about programming! - For more general Q&A I would recommend Quora.

Reply