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Portal vs wormhole-william: catalog facts
Portal	wormhole-william
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, Command line
End-to-end encryption with a short one-time password Direct transfer on the same local network	End-to-end encrypted transfers paired by a short code Implements the magic wormhole protocol
Command line only, with no graphical interface Relies on a relay server when machines cannot connect directly	Command-line only, no graphical interface Both sides must be online at the same time
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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