head to head · open source
openseo vs cap
openseo has 26,086 GitHub stars, 3,573 forks, 161 open issues and last shipped 3 days ago. cap has 24,271 stars, 2,234 forks, 339 open issues and last shipped yesterday. openseo leads on adoption by 7% (26,086 vs 24,271 stars). openseo is written in TypeScript under MIT; cap is written in Rust under a custom or non-standard licence. openseo has attracted 14% as many forks as stars, cap 9%. 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
| openseo | cap | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 24K |
| License | MIT | Custom / other |
| Written in | TypeScript | Rust |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 3.6K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openseo if
- You weight community size — 26K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick cap if
- You want the cap feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and cap fits your workflow better
About openseo
OpenSEO Open source alternative to Semrush and Ahrefs OpenSEO is an SEO tool for the people . If tools like Semrush or Ahrefs are too expensive or bloated, OpenSEO is a pay as you go alternative that you actually control. All in one SEO tool for you and your AI agent. Connect with any agent like Claude Code, OpenClaw or Hermes. We have pre built skills, but you can build your own to tailor OpenSEO to your needs. Hosted Version Try OpenSEO for free on our website. If you want to support the project, a hosted subscription is $10/month. openseo.so Why use OpenSEO? Best in class MCP and AI Skills. Modern, simple UI…
read the full openseo overview →
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…
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Frequently asked questions
Is openseo or cap more popular?
openseo has 26,086 GitHub stars and cap has 24,271. openseo has the larger community by that measure.
Are openseo and cap free?
Both are open source. openseo is licensed under MIT, and cap has no licence declared in this registry. Both are free to self-host.
What is the difference between openseo and cap?
openseo is written in TypeScript and cap in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, openseo or cap?
Choose openseo if you want the larger community (26,086 stars) or its MIT licence terms. Choose cap if its feature set, stack or Custom / other licence fits better. Both are self-hostable.