head to head · open source
Twenty vs one
Twenty has 56,970 GitHub stars, 9,157 forks, 205 open issues and last shipped today. one has 1,744 stars, 534 forks, 771 open issues and last shipped 3 days ago. Twenty leads on adoption by 3,167% (56,970 vs 1,744 stars). Twenty is written in TypeScript under a custom or non-standard licence; one is written in JavaScript under Apache-2.0. Twenty has attracted 16% as many forks as stars, one 31%. Twenty was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (open-source), so they are genuine substitutes rather than adjacent tools.
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
| Twenty | one | |
|---|---|---|
| GitHub stars | ★ 57K | ★ 1.7K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-18 | 2026-09-15 |
| Forks | ⑂ 9.2K | ⑂ 534 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Twenty if
- You weight community size — 57K 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 one if
- You want the one feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and one fits your workflow better
About Twenty
Twenty is an open source CRM platform built for technical teams that need to design and deploy custom customer relationship management systems without vendor lock in. It provides a framework for defining data models, views, workflows, and AI powered agents entirely as code, enabling full version control and integration into existing development pipelines. The project lives in the JavaScript/TypeScript ecosystem and uses modern tooling including NestJS, React, PostgreSQL, and Redis.
read the full Twenty overview →
About one
OpenNebula is an open source cloud management platform, licensed under Apache 2.0, for building and operating private clouds, edge infrastructures, distributed cloud deployments, and AI Factories.
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Frequently asked questions
Is Twenty or one more popular?
Twenty has 56,970 GitHub stars and one has 1,744. Twenty has the larger community by that measure.
Are Twenty and one free?
Both are open source. Twenty has no licence declared in this registry, and one is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Twenty and one?
Twenty is written in TypeScript and one in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Twenty or one?
Choose Twenty if you want the larger community (56,970 stars) or its Custom / other licence terms. Choose one if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.