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Instant.io vs sendme: catalog facts
Instant.io	sendme
Free Free to use; the source is published on GitHub.	Free Free and open source under the MIT or Apache 2.0 licences.
Web	Command line
No installation or account Drag-and-drop sharing with a magnet link	Works across NAT without port forwarding Verified transfers with resumable downloads
Files are only shared while the browser tab stays open No end-to-end encryption	Command line only Started as an example app for the iroh library
Web application	Downloadable app
Open source	Open source
License not stated	License: MIT OR Apache-2.0
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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