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Seafile vs Synology Drive: catalog facts
Seafile	Synology Drive
Freemium The community edition is free and open source. The Professional edition is paid.	Free Included free for Synology NAS owners; it requires Synology hardware.
Windows, macOS, Linux, Android, iOS, Self-hosted	Windows, macOS, Android, iOS, Web, Self-hosted
Block-level sync and deduplication make it fast with large libraries Per-library client-side encryption, and a drive client that streams on demand	Keeps files on your own NAS instead of a public cloud Desktop sync and backup plus mobile apps
Some features are reserved for the paid Professional edition Self-hosting requires a database and careful upgrade handling	Only runs on Synology NAS hardware Closed source
Self-hosted, Downloadable app	Downloadable app, Self-hosted
Open source	Closed source
License not stated	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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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