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JanChatQT
Free

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

 Free

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

Windows, macOS, Linux Linux
  • 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
  • Works with multiple OpenAI-compatible providers
  • Native KDE Plasma look using Kirigami
  • 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
  • Linux only and designed around KDE Plasma
  • Small project with few users
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: GPL-3.0-or-later
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked October 1, 2026

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