head to head · open source
Twenty vs one
Twenty has 60,319 GitHub stars, 9,915 forks, 205 open issues and last shipped yesterday. one has 1,764 stars, 542 forks, 771 open issues and last shipped yesterday. Twenty leads on adoption by 3,319% (60,319 vs 1,764 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 | ★ 60K | ★ 1.8K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.9K | ⑂ 542 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Twenty if
- You weight community size — 60K 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
The 1 Open Source CRM Website · Documentation · Roadmap · Discord · Figma Why Twenty Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack. Learn more about why we built Twenty Installation Cloud The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date. Build an app Scaffold a new app with the Twenty CLI: Define objects, fields, and views as code: Then ship…
read the full Twenty overview →
About one
Description OpenNebula is an open source cloud management platform for building and operating private clouds, edge infrastructures, distributed cloud deployments, and AI Factories. It provides a unified platform to manage Virtual Machines, Kubernetes Clusters, and GPU accelerated workloads across on premises, edge, and hybrid environments through a simple yet powerful cloud operating model. Key Features Unified Cloud Management – Manage virtualized, containerized, and AI workloads from a single platform. Flexible Access Interfaces – Web UI, CLI, REST API, Terraform provider, and automation tools. Federated…
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Frequently asked questions
Is Twenty or one more popular?
Twenty has 60,319 GitHub stars and one has 1,764. 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 (60,319 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.