head to head · open source
Tabby vs Dyad
Tabby has 33,884 GitHub stars, 1,788 forks, 335 open issues and last shipped 3 months ago. Dyad has 21,575 stars, 2,636 forks, 359 open issues and last shipped yesterday. Tabby leads on adoption by 57% (33,884 vs 21,575 stars). Tabby is written in Rust under a custom or non-standard licence; Dyad is written in TypeScript under a custom or non-standard licence. Tabby has attracted 5% as many forks as stars, Dyad 12%. Dyad was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llms), 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
| Tabby | Dyad | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 22K |
| License | Custom / other | Custom / other |
| Written in | Rust | TypeScript |
| Last push | 2026-06-30 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 2.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Tabby if
- You weight community size — 34K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick Dyad if
- You want the Dyad feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Dyad fits your workflow better
About Tabby
Tabby is a self hosted, open source AI coding assistant that acts as an on premises alternative to GitHub Copilot, aimed at developers and engineering teams that want code completion and chat without routing source code through a third party cloud service.
read the full Tabby overview →
About Dyad
Dyad is a local, open source AI app builder for developer tools and AI assisted coding. It is positioned as a desktop alternative to hosted builders such as Lovable, v0, and Bolt, running on the user's own machine. The project is written in TypeScript and distributed through a public GitHub repository under a split license: code outside src/pro is Apache 2.0, while code inside src/pro is Functional Source License 1.1 Apache 2.0.
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Frequently asked questions
Is Tabby or Dyad more popular?
Tabby has 33,884 GitHub stars and Dyad has 21,575. Tabby has the larger community by that measure.
Are Tabby and Dyad free?
Neither Tabby nor Dyad 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 Tabby and Dyad?
Tabby is written in Rust and Dyad in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Tabby or Dyad?
Choose Tabby if you want the larger community (33,884 stars) or its Custom / other licence terms. Choose Dyad if its feature set, stack or Custom / other licence fits better. Both are self-hostable.