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PrivyDrop vs AlterSend: catalog facts
PrivyDrop	AlterSend
Free Free to use and open source under the MIT licence.	Free The client is open source under Apache-2.0; no paid tier is mentioned on the homepage.
Web, Self-hosted	Windows, macOS, Linux, Android, iOS, Web
Direct browser-to-browser transfers with no account No file size or speed limits	Files go device to device with no copy left on a server Recipients can download from a browser link without installing anything
Unlimited size and resume depend on Chrome's direct-to-disk feature Interrupted transfers need both pages refreshed to restart	Both devices must be online at the same time for a direct transfer Transfer speed depends on the sender's own connection
Web application, Self-hosted	Downloadable app, Web application
Open source	Open source
License: MIT	License: Apache-2.0
No account needed	No account needed
Needs internet	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.