Dev tools · alternatives · 2026

24 alternatives to Sumbli

Collaborative content

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sumbli launched in 2018; newer entries below may have overtaken it.

1. 1
   Contentify▲70

   a real-time collaborative content manager on top of Github

   2014 · its alternatives →

2. 2
   Restyaboard▲197

   An open source alternative to Trello

   2015 · its alternatives →

3. 3FA
   Firepad, an open source collaborative text editor▲168

   2013 · firepad.io · its alternatives →

4. 4
   Flowhub▲85

   Let's Make Code More Playful (Beta Open)

   2014 · its alternatives →

5. 5VA
   Vector: a Matrix-powered open-source collaboration Web/Android/iOS app▲186

   2016 · vector.im · its alternatives →

6. 6
   Fosshub▲79

   An open source for free and open source tools

   2015 · its alternatives →

7. 7
   GitHub Desktop▲252

   The New Native

   2017 · its alternatives →

8. 8AO
   An open-source collaborative whiteboard▲185

   2018 · wbo.openode.io · its alternatives →

9. 9SD
   StackShare – discover and discuss software stacks▲218

   2014 · stackshare.io · its alternatives →

10. 10FD
    Flarum – Delightfully simple open-source forum software▲163

    2015 · flarum.org · its alternatives →

11. 11
    Total.js Messenger▲181

    A small, open-source alternative to Slack

    2017 · its alternatives →

12. 12OS
    Open-source StackOverflow-like service▲74

    2016 · paizaqa.herokuapp.com · its alternatives →

13. 13TA
    TinyPress – A GitHub Blogging Platform▲93

    2015 · tinypress.co · its alternatives →

14. 14AE
    An experimental Github/trending User Interface▲58

    2018 · github-trending-plus.surge.sh · its alternatives →

15. 15CA
    Contentify – A real-time, collaborative content manager over GitHub▲38

    2014 · thyb.github.io · its alternatives →

16. 16
    Frankly▲101

    A dashboard of issues and PRs across GitHub repositories.

    2016 · its alternatives →

17. 17
    Developer Ipsum▲110

    Lorem for nerds

    2021 · its alternatives →

18. 18
    Monocle▲71

    HN-like Community for Tech and Startups (now open source)

    2013 · its alternatives →

19. 19OB
    Openblog – Blogging with GitHub Issues▲78

    2016 · github.com · its alternatives →

20. 20
    Wick Editor▲88

    The Internet's free and open-source creation suite

    2016 · its alternatives →

21. 21PG
    PolyBrowser goes open source on GitHub. Let’s re-imagine web browsing▲47

    2015 · github.com · its alternatives →

22. 22DA
    Diffmatic – A daily GitHub digest for dev teams▲67

    2014 · diffmatic.com · its alternatives →

23. 23
    ReadMe.io▲39

    A Developer Hub for your open source software

    2014 · its alternatives →

24. 24OA
    Online and open source low-code platform with live collaboration▲9

    2018 · icodebetter.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 →