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Seafile vs Resilio Sync: catalog facts
Seafile	Resilio Sync
Freemium The community edition is free and open source. The Professional edition is paid.	Free Free for personal use. Business editions are paid.
Windows, macOS, Linux, Android, iOS, Self-hosted	Windows, macOS, Linux, Android, iOS
Block-level sync and deduplication make it fast with large libraries Per-library client-side encryption, and a drive client that streams on demand	Files sync directly between your devices with no cloud storage involved Fast on a local network and works well with very large libraries
Some features are reserved for the paid Professional edition Self-hosting requires a database and careful upgrade handling	Closed source, so the protocol and crypto cannot be audited Both devices must be online at the same time to sync
Self-hosted, Downloadable app	Downloadable app
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 22, 2026

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