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. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Open Source Mate launched in 2024; newer entries below may have overtaken it.

1
Projectmate▲78
Connecting open-source collaborators & maintainers
2023 · its alternatives →
2
Google Open Source▲560
All of Googles open source projects under a single umbrella
2017 · opensource.google · its alternatives →
3
OpenSauced▲382
Optimize your Open Source project with deep insights
2023 · its alternatives →
4
Open Source Alternatives▲804
200+ open source alternatives to popular B2B tools
2021 · btw.so · its alternatives →
5
SourceSort▲114
Find the perfect open source projects to contribute to
2019 · sourcesort.com · its alternatives →
6
OpenResource▲130
Discover open-source tools with an AI chat assistant
Apr 2026 · openresource.site · its alternatives →
7
GitHub Sponsors▲522
Get paid to build what you love on GitHub
2019 · github.com · its alternatives →
8
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 →
9
Openbase▲447
Choose the right open-source package every time
2020 · its alternatives →
10
OpenHub▲72
OpenHub helps you connect the developers across the world.
2018 · its alternatives →
11
Firstcontrib▲74
Find personalised open-source problems to contribute to.
2021 · its alternatives →
12
DeepSource Discover▲101
Make your first meaningful open-source contribution
2020 · app.deepsource.com · its alternatives →
13
Code Finder▲255
The ultimate search engine for GitHub repositories
2024 · codefinder.dev · its alternatives →
14
Sawia▲190
Find trending open source projects to contribute to
2019 · sawia.xyz · its alternatives →
15
Search Mate▲2
A search engine for developer docs and resources
2023 · its alternatives →
16
PairHub▲13
Find remote pair programming partners 👩‍💻👨‍💻
2019 · its alternatives →
17
Coderrr▲96
Open source CLI-first AI coding companion
Jan 2026 · coderrr.aksn.lol · its alternatives →
18
GitHub Profile Explorer▲9
Find your mate (project mate)
2025 · gitprorer.vercel.app · its alternatives →
19
Stek.io▲161
Easily install open source software to get things done!
2017 · its alternatives →
20
Open Agentsfree▲161
OpenAgents - The collaboration OS for AI agents. Contribute to openagents-org/openagents development by creating an account on GitHub.
Apr 2026 · open-agents.dev · its alternatives →
21
Project Buddy▲2
An open platform to meet your open-source contributor
2024 · its alternatives →
22
Proxim▲102
Find and post new and innovative open source projects
2023 · proxim.dev · its alternatives →
23OG
OS – GitHub issues to help beginners make their first pull request▲97
2017 · open-source.now.sh · its alternatives →
24
CodeNearby 2.0▲140
Tinder for developers! Find coding partners & build together
Jul 2026 · codenearby.space · its alternatives →

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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 →