Compare software

croc vs dumbpipe: catalog facts
croc	dumbpipe
Free Free and open source under the MIT licence. A public relay is provided at no cost, and you…	Free Free to download and use; the source is published on GitHub.
Windows, macOS, Linux, Command line, Web	Command line
One command each side, with a code phrase instead of accounts or links End-to-end encrypted using PAKE, with no server holding a key	Direct encrypted connection between two machines Works across NATs without opening ports
Falls back to a public relay when a direct connection is impossible Anyone with the code phrase during the transfer window can take the file	Command-line only, with no graphical interface Both machines need the tool installed
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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