Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Explore Open Source Code Online (early prototype) launched in 2011; newer entries below may have overtaken it.

1. 1
   Flowhub▲85

   Let's Make Code More Playful (Beta Open)

   2014 · 12bet.review · its alternatives →

2. 2
   Beautiful Open▲132

   Beautiful sites for Open Source projects

   2014 · beautifulopen.com · its alternatives →

3. 3OA
   Online and open source low-code platform with live collaboration▲9

   2018 · icodebetter.com · its alternatives →

4. 4
   Project Jupyter▲9

   Live code notebook as an open source web app

   2016 · jupyter.org · its alternatives →

5. 5
   Helicon▲58

   Open-source desktop app and VS Code panel for Muse Code

   12d ago · helicon.sh · its alternatives →

6. 6
   Fog Creek - The Problems with Open Source ▲70

   And how to fix them with Justin Searls

   2015 · soundcloud.com · its alternatives →

7. 7
   Fosshub▲79

   An open source for free and open source tools

   2015 · fosshub.com · its alternatives →

8. 8
   Pt▲75

   A code experiment on point, form, and space

   2015 · williamngan.github.io · its alternatives →

9. 9
   The Changelog - CodeNewbie and Community with Saron Yitbarek▲57

   How to help more people discover software development

   2015 · changelog.com · its alternatives →

10. 10
    Sumbli▲7

    Collaborative content

    2018 · its alternatives →

11. 11AV
    A visual browser for open source projects that anyone can edit▲5

    2024 · openopensource.com · its alternatives →

12. 12
    Insight▲11

    IDE-like code search and navigation, on the cloud

    2017 · elastic.co · its alternatives →

13. 13IB
    I built an online programming language▲8

    2023 · lineone.dev · its alternatives →

14. 14LG
    Launching GoatCounter; or: let's try and make a living from Open Source▲8

    2019 · arp242.net · its alternatives →

15. 15FA
    Free, async platform to discuss and learn as a dev▲6

    2022 · flipgrid.com · its alternatives →

16. 16
    Invig▲13

    Breathe new life into old codebases

    2017 · invig.io · its alternatives →

17. 17CN
    CodeWing – next level code navigation for {Python,Java,Go} on GitHub▲5

    2021 · codewing.dev · its alternatives →

18. 18TA
    tut, an open platform for programming tutorials▲8

    2013 · king-tutorial.com · its alternatives →

19. 19OS
    Open-source API-only Builders Forum (beta)▲5

    2022 · youonlygetanapi.com · its alternatives →

20. 20BA
    Bronson – Automated Java Code Review on GitHub▲8

    2014 · bronson.io · its alternatives →

21. 21OC
    Online code editor for creating mobile apps▲5

    2023 · code.nanoapp.dev · its alternatives →

22. 22CO
    Created open source projects on Github? Great! Time to service them▲7

    construct — terminal native agentic development environment

    2019 · zarvis.ai · its alternatives →

23. 23
    I started building an open-source suite of tools for web apps▲9

    2024 · github.com · its alternatives →

24. 24
    I made an open-source Replit▲9

    I spent the past few weeks making an open source cloud code editing environment with an AI copilot and multiplayer collaboration! It's fully self-hostable in 5-10 minutes. There's a lot of minor improvements to be made, and some are already listed in the Github issues. Let me know what you think and feel free to try it out.

    2024 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →