Compare software

dumbpipePairDrop
Free

Free to download and use; the source is published on GitHub.

 Free

Free and open source under the GPL.

Command line Web, Self-hosted
  • Direct encrypted connection between two machines
  • Works across NATs without opening ports
  • No app, no account; both sides just open a page
  • Pairing codes make transfers work across different networks
  • Command-line only, with no graphical interface
  • Both machines need the tool installed
  • Connections may fall back to a relay when direct peer-to-peer fails
  • Both devices must have the page open at the same time
Downloadable app Web application, Self-hosted
Open source Open source
License not stated License: GPL-3.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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