head to head · open source
cap vs probo
cap has 22,381 GitHub stars, 1,918 forks, 339 open issues and last shipped yesterday. probo has 1,367 stars, 211 forks, 93 open issues and last shipped yesterday. cap leads on adoption by 1,537% (22,381 vs 1,367 stars). cap is written in Rust under a custom or non-standard licence; probo is written in Go under MIT. cap has attracted 9% as many forks as stars, probo 15%. cap was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | probo | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 1.4K |
| License | Custom / other | MIT |
| Written in | Rust | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 211 |
| 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 probo if
- You want the probo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and probo 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 probo
Probo is an open source MIT licensed governance, risk, and compliance platform written in Go. It targets engineering and security teams managing SOC2, GDPR, ISO27001, HIPAA, ISO27701, and ISO42001 work in one self hostable system. The project lives in the open source compliance and GRC ecosystem, and it exposes data through a web console, a prb CLI, a Model Context Protocol API, a GraphQL API, and an n8n community node.
read the full probo overview →
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Frequently asked questions
Is cap or probo more popular?
cap has 22,381 GitHub stars and probo has 1,367. cap has the larger community by that measure.
Are cap and probo free?
Both are open source. cap has no licence declared in this registry, and probo is licensed under MIT. Both are free to self-host.
What is the difference between cap and probo?
cap is written in Rust and probo in Go. 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 probo?
Choose cap if you want the larger community (22,381 stars) or its Custom / other licence terms. Choose probo if its feature set, stack or MIT licence fits better. Both are self-hostable.