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ChatQTJan
Free

Free and open source under the GPL-3.0-or-later licence; provider API usage may cost…

 Free

Free and open source. Using a third-party cloud model through Jan costs whatever that…

Linux Windows, macOS, Linux
  • Works with multiple OpenAI-compatible providers
  • Native KDE Plasma look using Kirigami
  • Runs fully offline on your own computer when you want it to
  • Same interface for local models and for OpenAI, Anthropic, Google, Mistral and others
  • Linux only and designed around KDE Plasma
  • Small project with few users
  • Still pre-1.0 and moving fast; features appear and change between releases
  • Adding a cloud provider means putting that provider’s API key into the app
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-or-later License: Apache-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.