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croc vs Sendworm: catalog facts
croc	Sendworm
Free Free and open source under the MIT licence. A public relay is provided at no cost, and you…	Free Free and open source under the MIT license.
Windows, macOS, Linux, Command line, Web	Windows, macOS, Linux
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	Graphical file sharing over Magic Wormhole Compatible with other Magic Wormhole applications
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	Both sides need compatible Magic Wormhole software
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is 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 8, 2026

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