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FTPS Server vs copyparty: catalog facts
FTPS Server	copyparty
Free Free, released into the public domain under CC0-1.0.	Free Free and open source.
Windows, Linux, Android, Command line	Self-hosted
Encrypted FTP over TLS transfers Per-user permissions and isolated root folders	Runs from a single portable file Resumable uploads with deduplication
Small project with few users so far No GitHub releases published	You host and secure the server yourself Many features means a lot of configuration to learn
Downloadable app	Self-hosted
Closed source	Open source
License: CC0-1.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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