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crocson vs croc-app: catalog facts
crocson	croc-app
Free Free and open source under the ISC licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android	Android
Sends files through a relay without port forwarding Works across Android and desktop systems	Compatible with the croc command-line tool on desktops QR-assisted sending and receiving
Small project with few users Both ends need croc-compatible software	Android only; other devices need croc itself Community-translated into only a few languages so far
Downloadable app	Downloadable app
Open source	Open source
License: ISC	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 2, 2026	Official website Full listing and sources Checked October 2, 2026

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