head to head · open source
Twenty vs Anki
Twenty has 56,947 GitHub stars, 9,143 forks, 205 open issues and last shipped yesterday. Anki has 30,973 stars, 3,220 forks, 512 open issues and last shipped yesterday. Twenty leads on adoption by 84% (56,947 vs 30,973 stars). Twenty is written in TypeScript under a custom or non-standard licence; Anki is written in Rust under a custom or non-standard licence. Twenty has attracted 16% as many forks as stars, Anki 10%. Twenty 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
| Twenty | Anki | |
|---|---|---|
| GitHub stars | ★ 57K | ★ 31K |
| License | Custom / other | Custom / other |
| Written in | TypeScript | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 9.1K | ⑂ 3.2K |
| 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 Anki if
- You want the Anki feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and Anki 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 Anki
Anki is a spaced repetition flashcard program that schedules review of items based on memory performance, ensuring long term retention with minimal effort. It lives in the cross platform desktop and mobile education software ecosystem, with a primary focus on the computer version hosted at apps.ankiweb.net. The project is maintained by ankitects and distributed under a NOASSERTION license, meaning no explicit license terms are declared in the repository.
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Frequently asked questions
Is Twenty or Anki more popular?
Twenty has 56,947 GitHub stars and Anki has 30,973. Twenty has the larger community by that measure.
Are Twenty and Anki free?
Neither Twenty nor Anki declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between Twenty and Anki?
Twenty is written in TypeScript and Anki 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, Twenty or Anki?
Choose Twenty if you want the larger community (56,947 stars) or its Custom / other licence terms. Choose Anki if its feature set, stack or Custom / other licence fits better. Both are self-hostable.