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tldr pageshalp
Free

The open-source project is available without a license fee.

 Free

Free and open source under Apache-2.0 or MIT.

Windows, macOS, Linux, Web, Command line Command line
  • Answers the common use of a command in seconds instead of reading a manual page
  • Clients for terminal, browser and editors, with offline caching
  • Checks several common help and version argument forms
  • Allows custom arguments and configuration
  • Deliberately incomplete; the real manual page is still needed for edge cases
  • Page quality varies with community contributions
  • Cheat sheet lookup uses an online service
Downloadable app, Web application Downloadable app
Open source Open source
License: MIT License: Apache-2.0 OR MIT
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 8, 2026

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