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PsiTransfer vs Pingvin Share X: catalog facts
PsiTransfer	Pingvin Share X
Free Free and open source to host yourself.	Free Free and open source under the BSD-2-Clause licence.
Web, Self-hosted	Web, Self-hosted
No accounts or logins Resumable uploads and expiring links	Reverse shares for receiving files from others OIDC and LDAP sign-in
Requires your own server to run Deliberately simple, with no user management	A fork maintained by a single developer Needs Docker or Node.js to host
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: BSD-2-Clause
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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