head to head · open source
novu vs gorules
novu has 40,002 GitHub stars, 4,494 forks, 105 open issues and last shipped yesterday. gorules has 1,994 stars, 211 forks, 41 open issues and last shipped 24 days ago. novu leads on adoption by 1,906% (40,002 vs 1,994 stars). novu is written in TypeScript under a custom or non-standard licence; gorules is written in Rust under MIT. novu has attracted 11% as many forks as stars, gorules 11%. novu 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
| novu | gorules | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 2.0K |
| License | Custom / other | MIT |
| Written in | TypeScript | Rust |
| Last push | 2026-09-17 | 2026-08-25 |
| Forks | ⑂ 4.5K | ⑂ 211 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick novu if
- You weight community size — 40K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- 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 novu
Novu is an open source communication infrastructure platform for building and managing multi channel notifications in products and connecting them to AI agents. It lives in the Node.js/TypeScript ecosystem and targets developers who need to send and receive messages across email, SMS, push, in app inbox, chat, and collaboration tools like Slack and Microsoft Teams.
About gorules
ZEN Engine is cross platform open source Business Rules Engine written in Rust under MIT license. It gives one portable JSON copy of rules. Owner reads rule. Every system runs same rule. It lives in Rust ecosystem and provides native bindings for Node.js, Python, Go, Java, Kotlin, .NET, plus iOS and Android packages.
read the full gorules overview →
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Frequently asked questions
Is novu or gorules more popular?
novu has 40,002 GitHub stars and gorules has 1,994. novu has the larger community by that measure.
Are novu and gorules free?
Both are open source. novu has no licence declared in this registry, and gorules is licensed under MIT. Both are free to self-host.
What is the difference between novu and gorules?
novu is written in TypeScript 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, novu or gorules?
Choose novu if you want the larger community (40,002 stars) or its Custom / other licence terms. Choose gorules if its feature set, stack or MIT licence fits better. Both are self-hostable.