head to head · open source
Hummingbot vs Crater
Hummingbot has 20,039 GitHub stars, 4,934 forks, 160 open issues and last shipped yesterday. Crater has 8,348 stars, 1,711 forks, 425 open issues and last shipped 2.1 years ago. Hummingbot leads on adoption by 140% (20,039 vs 8,348 stars). Hummingbot is written in Python under Apache-2.0; Crater is written in PHP under AGPL-3.0. Hummingbot has attracted 25% as many forks as stars, Crater 20%. Hummingbot 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
| Hummingbot | Crater | |
|---|---|---|
| GitHub stars | ★ 20K | ★ 8.3K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | PHP |
| Last push | 2026-09-17 | 2024-08-10 |
| Forks | ⑂ 4.9K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hummingbot if
- You weight community size — 20K stars and counting
- You want the Apache-2.0 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 Hummingbot
Hummingbot is an open source Python framework for building and deploying automated crypto trading bots. It operates in the algorithmic trading ecosystem for centralized and decentralized exchanges, with topics including market making, arbitrage, HFT, backtesting, DeFi, and AI agents. The project is licensed under Apache 2.0, and the public repository reports 20,002 stars and 4,924 forks.
read the full Hummingbot 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 Hummingbot or Crater more popular?
Hummingbot has 20,039 GitHub stars and Crater has 8,348. Hummingbot has the larger community by that measure.
Are Hummingbot and Crater free?
Both are open source. Hummingbot is licensed under Apache-2.0 and Crater under AGPL-3.0. Neither carries a licence fee.
What is the difference between Hummingbot and Crater?
Hummingbot 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, Hummingbot or Crater?
Choose Hummingbot if you want the larger community (20,039 stars) or its Apache-2.0 licence terms. Choose Crater if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.