compare
kitty vs Tabby
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | kitty | Tabby |
|---|---|---|
| Language | Python | TypeScript |
| Licence | GPL-3.0 | MIT |
| Stars | 35k | 75k |
| Latest | v0.49.2 | v1.0.237 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 7 days between releases | about 36 days between releases |
| Active contributors | 39+ commit authors on the default branch in the last 90 days | 31 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace iTerm2. Alternatives to iTerm2 →
Full replacementkittyGPU-rendered, cross-platform, with tabs, splits and a graphics protocol.
Full replacementTabbyCross-platform, with tabs, splits and a built-in SSH and serial client.
Both replace Warp. Alternatives to Warp →
PartialkittyA terminal without accounts or built-in AI.
PartialTabbyA terminal without accounts or built-in AI.
kitty
Tabby
- v1.0.2372026-09-25feat: Add Windows 11 Acrylic window support
- v1.0.2362026-09-23GHSA-8wmh-xr5f-qvj7: reject unsolicited agent-forwarding channels when agent forwarding is disabled — a malicious or co…
- v1.0.2352026-07-22GHSA-59p9-8gwf-v9v7: Windows SFTP path traversal allows a malicious server to write files outside the selected download…
- v1.0.2342026-05-17Dragging and dropping a file with a specially crafted name onto the terminal could cause the terminal to execute an arb…
- v1.0.2332026-05-07ssh: add hotkey to open SFTP panel (#11106) #11106 (Utkarsh Adhran)
kitty
✓ signed The latest release, v0.49.2, carries a signature GitHub verified.
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Tabby
unsigned The latest release, v1.0.237, carries no signature GitHub could verify.
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