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Pingvin Share X vs Palmr: catalog facts
Pingvin Share X	Palmr
Free Free and open source under the BSD-2-Clause licence.	Free Free and open source.
Web, Self-hosted	Web, Self-hosted
Reverse shares for receiving files from others OIDC and LDAP sign-in	Files stay on your own server Link-based sharing similar to WeTransfer
A fork maintained by a single developer Needs Docker or Node.js to host	You host and maintain it yourself Focused on sharing rather than continuous folder sync
Self-hosted	Self-hosted
Open source	Open source
License: BSD-2-Clause	License not stated
Not stated if an account is 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 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.