head to head · open source
OpenBB vs gorules
OpenBB has 73,153 GitHub stars, 7,565 forks, 117 open issues and last shipped yesterday. gorules has 1,994 stars, 211 forks, 41 open issues and last shipped 24 days ago. OpenBB leads on adoption by 3,569% (73,153 vs 1,994 stars). OpenBB is written in Python under a custom or non-standard licence; gorules is written in Rust under MIT. OpenBB has attracted 10% as many forks as stars, gorules 11%. OpenBB 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.
← all 8884 open source comparisons
Side by side
| OpenBB | gorules | |
|---|---|---|
| GitHub stars | ★ 73K | ★ 2.0K |
| License | Custom / other | MIT |
| Written in | Python | Rust |
| Last push | 2026-09-17 | 2026-08-25 |
| Forks | ⑂ 7.6K | ⑂ 211 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenBB if
- You weight community size — 73K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 OpenBB
OpenBB is an open source data platform for investment professionals, built as the Open Data Platform (ODP) and extended by the OpenBB Workspace UI. It lives in the quantitative finance and AI agent ecosystem, integrating equity, crypto, derivatives, fixed income, economics, and options data from proprietary, licensed, and public sources.
read the full OpenBB overview →
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 →
More in Miscellaneous
Related comparisons
More Finance & Fintech projects
Compare either of these against the rest of the Finance & Fintech field.
Frequently asked questions
Is OpenBB or gorules more popular?
OpenBB has 73,153 GitHub stars and gorules has 1,994. OpenBB has the larger community by that measure.
Are OpenBB and gorules free?
Both are open source. OpenBB has no licence declared in this registry, and gorules is licensed under MIT. Both are free to self-host.
What is the difference between OpenBB and gorules?
OpenBB is written in Python 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, OpenBB or gorules?
Choose OpenBB if you want the larger community (73,153 stars) or its Custom / other licence terms. Choose gorules if its feature set, stack or MIT licence fits better. Both are self-hostable.