Open Source Stack Overflow AlternativesTop Q&A Services and other similar apps like Stack Overflow

Alternatives list

1. 

   

   Codidact

    26 likes

   Ever had a question? Ever had an answer? Ever had knowledge to share? We believe that coming together to inquire and learn, to share knowledge and to teach each other, makes the world a better place. We also believe that Q&A communities should be free from the politics and...

   Cost / License

   • Free
   • Open Source (AGPL-3.0)

   Application type

   • Q&A

   Origin

   • United States

   Platforms

   • Online
   • Self-Hosted

   

   

   

   +1

   

   More about Codidact  

   

   Is Codidact a good alternative to Stack Overflow?

    

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   dataculi

   Positive comment•Feb 22, 2022

   0

   Other than Quora, it's like the only one on this list that actually plays the same role Stack Overflow plays. It's a reputation-based question and answer site (or collection of sites/communities) organized around a central topic

   cellio

   Positive comment•Feb 20, 2022

   0

   Codidact implements features that are impossible on Stack Overflow, based on what the community needs. The community is central on Codidact and the platform is open-source, so you can use Codidact's network or set up your own if you want to run things differently.

   

   

   • Codidact is Free and Open SourceStack Overflow is Free Personal and Proprietary
2. 

   

   TopAnswers

    6 likes

   TopAnswers is what Stack Overflow should be: focused on communities and knowledge sharing, not profit. We share some of the same aims:

   Cost / License

   • Free
   • Open Source (AGPL-3.0)

   Application type

   • Q&A

   Platforms

   • Online

   

   Is TopAnswers a good alternative to Stack Overflow?

    

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   TopAnswers vs Stack Overflow Comments

    

   dataculi

   Positive comment•Feb 22, 2022

   0

   Similar to Codidact in that they directly aim to be an alternative to Stack Exchange. Unlike Codidact, it's mostly restricted to tech topics. Good alternative

   

   

   • TopAnswers is Free and Open SourceStack Overflow is Free Personal and Proprietary
4. 

   

   Scoold

    16 likes

   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 edit creates an new revision, making it easy to follow the history of edits. Scoold is optimized for the cloud.

   Cost / License

   • Freemium
   • Open Source (Apache-2.0)

   Application type

   • Q&A

   Origin

   • United States

   Platforms

   • Online
   • Self-Hosted

   

   

   

   +2

   

   More about Scoold  

   

   Is Scoold a good alternative to Stack Overflow?

    

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   1comment

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   Guest

   Negative comment•Jul 20, 2020

   -1

   you have to download it...

   Review by a new / low-activity user.

   

   

   • Scoold is Freemium and Open SourceStack Overflow is Free Personal and Proprietary
   • Scoold is LightweightStack Overflow is not according to our users
5. 

   

   Question2Answer

    29 likes

   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.

   Cost / License

   • Free
   • Open Source (GPL-3.0)

   Application type

   • Q&A

   Origin

   • United Kingdom

   Platforms

   • Mac
   • Windows
   • Linux
   • Online
   • MySQL Community Edition
   • Self-Hosted
   • PHP

   

   

   

   More about Question2Answer  

   

   Is Question2Answer a good alternative to Stack Overflow?

    

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   1comment

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   Question2Answer vs Stack Overflow Comments

    

   Guest

   Positive comment•Nov 20, 2019

   -1

   thats the best alternative... and you can freely install this system on your web

   Review by a new / low-activity user.

   

   

   • Question2Answer is Free and Open SourceStack Overflow is Free Personal and Proprietary
   • Question2Answer is LightweightStack Overflow is not according to our users
6. 

   

   Apache Answer

    2 likes

   Q&A platform software for teams at any scale. Whether it's a community forum, help center, or knowledge management platform, you can always count on Apache Answer.

   Cost / License

   • Free
   • Open Source (Apache-2.0)

   Application type

   • Q&A

   Origin

   • United States

   Platforms

   • Online
   • Self-Hosted
   • Docker
   • Cloudron

   

   

   

   +3

   

   More about Apache Answer  

   

   Is Apache Answer a good alternative to Stack Overflow?

    
7. 

   

   AnonymousOverflow

    3 likes

   AnonymousOverflow allows you to view StackOverflow threads without the cluttered interface and exposing your IP address, browsing habits and other browser fingerprint data to StackOverflow.

   Cost / License

   • Free
   • Open Source (MPL-2.0)

   Application type

   • Q&A

   Platforms

   • Self-Hosted
   • Online

   

   

   More about AnonymousOverflow  

   

   Is AnonymousOverflow a good alternative to Stack Overflow?

    
9. A

   A

   Askalot

    3 likes

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

   Cost / License

   • Free
   • Open Source

   Application type

   • Q&A

   Platforms

   • Self-Hosted

   A

   

   Is Askalot a good alternative to Stack Overflow?

    
10. 

    

    Talkyard

     3 likes

    Help each other — with the main features from StackOverflow, Discourse, Slack, Reddit, and Disqus.

    Cost / License

    • Free
    • Open Source (AGPL-3.0)

    Application type

    • Q&A

    Origin

    • Sweden
    • EU

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)

    

    Is Talkyard a good alternative to Stack Overflow?

     
11. 

    

    Peeranha

     Like

    Decentralized questions and answers website that rewards users with crypto tokens for their contributions.

    Cost / License

    • Free
    • Open Source

    Application type

    • Q&A

    Platforms

    • Online

    

    

    

    More about Peeranha  

    

    Is Peeranha a good alternative to Stack Overflow?

     
12. 

    

    OSQA

     13 likes

    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 earn points and badges for useful participation, and everyone in the community wins.

    Cost / License

    • Free
    • Open Source

    Application type

    • Q&A

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    • Python
    • Django

    

    More about OSQA  

    

    Is OSQA a good alternative to Stack Overflow?

     
13. 

    

    AskBot

     13 likes

    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.

    Cost / License

    • Freemium
    • Open Source

    Application type

    • Q&A

    Origin

    • United States

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    • Python
    • Django

    

    More about AskBot  

    

    Is AskBot a good alternative to Stack Overflow?

     
14. 

    

    Biostars

     Like

    This site's focus is bioinformatics, computational genomics and biological data analysis. We welcome posts that are detailed and specific, written clearly and simply.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    • Q&A

    Platforms

    • Online

    

    Is Biostars a good alternative to Stack Overflow?