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Wormhole vs PsiTransfer: catalog facts
Wormhole	PsiTransfer
Free Free to use in the browser; the page does not mention paid plans.	Free Free and open source to host yourself.
Web	Web, Self-hosted
End-to-end encrypted file sharing Links expire automatically	No accounts or logins Resumable uploads and expiring links
Transfers are capped at 10 GB Depends on a hosted service	Requires your own server to run Deliberately simple, with no user management
Web application	Self-hosted
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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