head to head · open source
cap vs openseo
cap has 22,381 GitHub stars, 1,918 forks, 339 open issues and last shipped yesterday. openseo has 19,046 stars, 2,447 forks, 161 open issues and last shipped yesterday. cap leads on adoption by 18% (22,381 vs 19,046 stars). cap is written in Rust under a custom or non-standard licence; openseo is written in TypeScript under MIT. cap has attracted 9% as many forks as stars, openseo 13%. 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 | openseo | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 19K |
| License | Custom / other | MIT |
| Written in | Rust | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 2.4K |
| 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 openseo if
- You want the openseo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and openseo 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 openseo
OpenSEO is an open source SEO tool written in TypeScript under the MIT license. It is an alternative to paid SEO platforms such as Semrush and Ahrefs, and it lives in the open source SEO tooling ecosystem. The project provides a hosted option, self hosting paths, and an MCP server for agent use.
read the full openseo overview →
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Frequently asked questions
Is cap or openseo more popular?
cap has 22,381 GitHub stars and openseo has 19,046. cap has the larger community by that measure.
Are cap and openseo free?
Both are open source. cap has no licence declared in this registry, and openseo is licensed under MIT. Both are free to self-host.
What is the difference between cap and openseo?
cap is written in Rust and openseo 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 openseo?
Choose cap if you want the larger community (22,381 stars) or its Custom / other licence terms. Choose openseo if its feature set, stack or MIT licence fits better. Both are self-hostable.