head to head · open source
cap vs openpanel
cap has 22,381 GitHub stars, 1,918 forks, 339 open issues and last shipped yesterday. openpanel has 6,985 stars, 480 forks, 49 open issues and last shipped 14 days ago. cap leads on adoption by 220% (22,381 vs 6,985 stars). cap is written in Rust under a custom or non-standard licence; openpanel is written in TypeScript under AGPL-3.0. cap has attracted 9% as many forks as stars, openpanel 7%. cap was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (open-source), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| cap | openpanel | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 7.0K |
| License | Custom / other | AGPL-3.0 |
| Written in | Rust | TypeScript |
| Last push | 2026-09-17 | 2026-09-04 |
| Forks | ⑂ 1.9K | ⑂ 480 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cap if
- You weight community size — 22K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick openpanel if
- You want the openpanel feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and openpanel fits your workflow better
About cap
Cap open source screen recording sharing project for teams. Lives web desktop software ecosystem. Uses Rust TypeScript stack, Next.js web dashboard, desktop apps macOS Windows. Presents alternative Loom. Supports importing existing Loom videos.
About openpanel
OpenPanel is an open source web and product analytics platform written in TypeScript and licensed under AGPL 3.0, built for product teams and developers who want Mixpanel style funnels, cohorts, and session replay while keeping their event data on their own infrastructure.
read the full openpanel overview →
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Frequently asked questions
Is cap or openpanel more popular?
cap has 22,381 GitHub stars and openpanel has 6,985. cap has the larger community by that measure.
Are cap and openpanel free?
Both are open source. cap has no licence declared in this registry, and openpanel is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between cap and openpanel?
cap is written in Rust and openpanel in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, cap or openpanel?
Choose cap if you want the larger community (22,381 stars) or its Custom / other licence terms. Choose openpanel if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.