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Writing ToolsKerlig
Free

Free and open source; cloud model providers may charge separately.

 Paid

Pricing is not given in the research; models are billed through your own provider API…

Windows, macOS, Linux macOS
  • Works on selected text in any application
  • Supports local LLMs as well as cloud APIs
  • Works in any Mac app with built-in and custom actions
  • Choice of 350+ models through your own API keys
  • Needs an API key or a local model set up
  • Output quality depends on the chosen model
  • Mac only, macOS 12 or later
  • Requires your own API keys from AI providers
Downloadable app Downloadable app
Open source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 26, 2026

Checked October 2, 2026

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