head to head · open source
cap vs openpanel
cap has 24,271 GitHub stars, 2,234 forks, 339 open issues and last shipped yesterday. openpanel has 7,237 stars, 537 forks, 49 open issues and last shipped yesterday. cap leads on adoption by 235% (24,271 vs 7,237 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%. openpanel 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 | ★ 24K | ★ 7.2K |
| License | Custom / other | AGPL-3.0 |
| Written in | Rust | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.2K | ⑂ 537 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cap if
- You weight community size — 24K 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 Beautiful, shareable screen recordings. Open source, fast, and built for teams that want to own their data. Website Download Docs Pricing Discord Cap is the open source alternative to Loom. It gives you fast screen recording, polished local editing, instant share links, comments, transcripts, analytics, team workspaces, custom domains, custom S3 storage, and full self hosting when you need complete control. Use Cap for product demos, bug reports, onboarding, tutorials, design reviews, engineering walkthroughs, async standups, client updates, and any moment where showing the work is faster than scheduling…
About openpanel
Openpanel An open source alternative to Mixpanel Website · Docs · Sign in · Discord · X/Twitter · Creator · Openpanel is an open source web and product analytics platform that combines the power of Mixpanel with the ease of Plausible and one of the best Google Analytics replacements. ✨ Features 🔍 Advanced Analytics : Funnels, cohorts, user profiles, and session history 🎬 Session Replay : Record and replay user sessions with privacy controls built in 📊 Real time Dashboards : Live data updates and interactive charts 🎯 A/B Testing : Built in variant testing with detailed breakdowns 🔔 Smart Notifications…
read the full openpanel overview →
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Frequently asked questions
Is cap or openpanel more popular?
cap has 24,271 GitHub stars and openpanel has 7,237. 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 (24,271 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.