head to head · open source
OpenBB vs Crater
OpenBB has 73,153 GitHub stars, 7,565 forks, 117 open issues and last shipped yesterday. Crater has 8,348 stars, 1,711 forks, 425 open issues and last shipped 2.1 years ago. OpenBB leads on adoption by 776% (73,153 vs 8,348 stars). OpenBB is written in Python under a custom or non-standard licence; Crater is written in PHP under AGPL-3.0. OpenBB has attracted 10% as many forks as stars, Crater 20%. 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.
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Side by side
| OpenBB | Crater | |
|---|---|---|
| GitHub stars | ★ 73K | ★ 8.3K |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | PHP |
| Last push | 2026-09-17 | 2024-08-10 |
| Forks | ⑂ 7.6K | ⑂ 1.7K |
| 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 Crater if
- You want the Crater feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and Crater 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 Crater
Crater is an open source web and mobile application for tracking expenses and payments and for creating professional invoices and estimates. The web application is built with Laravel and VueJS, while the mobile applications are built with React Native. It lives in the PHP and Laravel ecosystem, is distributed under the AGPL 3.0 license, and is positioned as an open alternative to QuickBooks and FreshBooks.
read the full Crater overview →
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Frequently asked questions
Is OpenBB or Crater more popular?
OpenBB has 73,153 GitHub stars and Crater has 8,348. OpenBB has the larger community by that measure.
Are OpenBB and Crater free?
Both are open source. OpenBB has no licence declared in this registry, and Crater is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between OpenBB and Crater?
OpenBB is written in Python and Crater in PHP. 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 Crater?
Choose OpenBB if you want the larger community (73,153 stars) or its Custom / other licence terms. Choose Crater if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.