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ProFTPD vs copyparty: catalog facts
ProFTPD	copyparty
Free Free and open source.	Free Free and open source.
Linux, Self-hosted	Self-hosted
Modular design lets you add only the features you need Supports FTP, FTPS and SFTP	Runs from a single portable file Resumable uploads with deduplication
Built from source and configured by hand, which takes server experience Server only, with no graphical management interface	You host and secure the server yourself Many features means a lot of configuration to learn
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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