Compare software

Send vs croc: catalog facts
Send	croc
Free Free and open source under the MPL. Hosting is separate.	Free Free and open source under the MIT licence. A public relay is provided at no cost, and you…
Web, Self-hosted	Windows, macOS, Linux, Command line, Web
Files are encrypted in the browser, so the server never sees the contents Links expire by time or download count automatically	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
Public instances come and go; self-hosting is the reliable option Upstream development is intermittent	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
Self-hosted, Web application	Downloadable app, Web application
Open source	Open source
License: MPL-2.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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