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Magic WormholeAlterSend
Free

Free and open source.

 Free

The client is open source under Apache-2.0; no paid tier is mentioned on the homepage.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Android, iOS, Web
  • Short human-readable codes instead of links or keys
  • End-to-end encrypted transfers
  • Files go device to device with no copy left on a server
  • Recipients can download from a browser link without installing anything
  • Command-line only, no graphical interface
  • Both sides must have a compatible client installed
  • Both devices must be online at the same time for a direct transfer
  • Transfer speed depends on the sender's own connection
Downloadable app Downloadable app, Web application
Open source Open source
License: MIT License: Apache-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

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