Dev tools · alternatives · 2026

24 alternatives to Open Source Mate

Find Contributors, Make the world better

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Open Source Mate launched in 2024; newer entries below may have overtaken it.

1. 1
   Projectmate▲78

   Connecting open-source collaborators & maintainers

   2023 · its alternatives →

2. 2
   Google Open Source▲555

   All of Googles open source projects under a single umbrella

   2017 · its alternatives →

3. 3
   OpenSauced▲382

   Optimize your Open Source project with deep insights

   2023 · its alternatives →

4. 4
   Opensource Builders▲496

   Find open-source alternatives to commercial apps

   2020 · its alternatives →

5. 5
   Open Source Alternatives▲807

   200+ open source alternatives to popular B2B tools

   2021 · btw.so · its alternatives →

6. 6
   SourceSort▲114

   Find the perfect open source projects to contribute to

   2019 · its alternatives →

7. 7
   OpenResource▲130

   Discover open-source tools with an AI chat assistant

   Apr 2026 · openresource.site · its alternatives →

8. 8
   GitHub Sponsors▲520

   Get paid to build what you love on GitHub

   2019 · its alternatives →

9. 9SA
   Sourcebot, an open-source Sourcegraph alternative▲259

   Hi HN, We’re Brendan and Michael, the creators of Sourcebot (https://github.com/sourcebot-dev/sourcebot). Sourcebot is an open-source code search tool that allows you to quickly search across many large codebases. Check out our demo video here: https://youtu.be/mrIFYSB_1F4, or try it for yourself on our demo site here: https://demo.sourcebot.dev While at prior roles, we’ve both felt the pain of searching across hundreds of multi-million line codebases. Using local tools like grep were ill-suited since you often only had a handful of codebases…

   2024 · github.com · its alternatives →

10. 10
    Openbase▲444

    Choose the right open-source package every time

    2020 · its alternatives →

11. 11
    OpenHub▲72

    OpenHub helps you connect the developers across the world.

    2018 · its alternatives →

12. 12
    Firstcontrib▲74

    Find personalised open-source problems to contribute to.

    2021 · its alternatives →

13. 13
    DeepSource Discover▲101

    Make your first meaningful open-source contribution

    2020 · its alternatives →

14. 14
    Code Finder▲255

    The ultimate search engine for GitHub repositories

    2024 · codefinder.dev · its alternatives →

15. 15
    Sawia▲190

    Find trending open source projects to contribute to

    2019 · its alternatives →

16. 16OB
    Opensource.builders, open-source alternatives to commercial software▲161

    2020 · opensource.builders · its alternatives →

17. 17
    Sidekick▲263

    Like Chrome DevTools for your backend, now open source

    2022 · its alternatives →

18. 18
    Search Mate▲2

    A search engine for developer docs and resources

    2023 · its alternatives →

19. 19
    PairHub▲13

    Find remote pair programming partners 👩‍💻👨‍💻

    2019 · its alternatives →

20. 20
    CodeNearby▲88

    Find coding partners & build together—Tinder for developers!

    2025 · codenearby.space · its alternatives →

21. 21
    Coderrr▲96

    Open source CLI-first AI coding companion

    Jan 2026 · coderrr.aksn.lol · its alternatives →

22. 22
    GitHub Profile Explorer▲9

    Find your mate (project mate)

    2025 · gitprorer.vercel.app · its alternatives →

23. 23
    Stek.io▲161

    Easily install open source software to get things done!

    2017 · its alternatives →

24. 24
    Project Buddy▲2

    An open platform to meet your open-source contributor

    2024 · 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 →