head to head · open source
cap vs gorules
cap has 24,271 GitHub stars, 2,234 forks, 339 open issues and last shipped yesterday. gorules has 2,104 stars, 227 forks, 41 open issues and last shipped yesterday. cap leads on adoption by 1,054% (24,271 vs 2,104 stars). cap is written in Rust under a custom or non-standard licence; gorules is written in Rust under MIT. cap has attracted 9% as many forks as stars, gorules 11%. 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 | gorules | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 2.1K |
| License | Custom / other | MIT |
| Written in | Rust | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.2K | ⑂ 227 |
| 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 gorules if
- You want the gorules feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and gorules 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 gorules
ZEN Engine Business logic humans can read and machines can run. One copy of your rules: the owner reads it, every system runs it. ZEN Engine is a cross platform, open source Business Rules Engine (BRE) written in Rust , with native bindings for Node.js , Python , Go , Java , Kotlin and .NET , plus iOS and Android packages. Decisions evaluate in microseconds, run identically on every platform, and are stored as portable JSON. Loading the JSON is up to you: file system, database or service call. Try it in the free Online Editor with a built in simulator, or embed the open source React JDM Editor in your own…
read the full gorules overview →
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Frequently asked questions
Is cap or gorules more popular?
cap has 24,271 GitHub stars and gorules has 2,104. cap has the larger community by that measure.
Are cap and gorules free?
Both are open source. cap has no licence declared in this registry, and gorules is licensed under MIT. Both are free to self-host.
What is the difference between cap and gorules?
cap is written in Rust and gorules 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, cap or gorules?
Choose cap if you want the larger community (24,271 stars) or its Custom / other licence terms. Choose gorules if its feature set, stack or MIT licence fits better. Both are self-hostable.