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CotEditorPlain Text Editor
Free

Free and open source.

 Paid

The page describes the app as a one-time purchase but does not give its price.

macOS macOS, iOS
  • Native macOS interface and fast launch
  • Syntax highlighting for over 60 languages
  • Keeps text free of rich text formatting
  • Includes tabs and word count on macOS
  • macOS only
  • A text editor rather than a full IDE
  • Handles UTF-8 text files only
  • Does not provide Markdown syntax highlighting
Downloadable app Downloadable app
Open source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

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