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Nextcloud vs Seafile: catalog facts
Nextcloud	Seafile
Freemium The server and clients are free and open source. Nextcloud GmbH sells enterprise support…	Freemium The community edition is free and open source. The Professional edition is paid.
Windows, macOS, Linux, Android, iOS, Self-hosted, Web	Windows, macOS, Linux, Android, iOS, Self-hosted
Your storage limit is your own disk, and your data never leaves it Desktop client supports virtual files, so a big library costs no local space	Block-level sync and deduplication make it fast with large libraries Per-library client-side encryption, and a drive client that streams on demand
You run the server, which means updates, backups and certificates are yours Major version upgrades are known for needing careful reading	Some features are reserved for the paid Professional edition Self-hosting requires a database and careful upgrade handling
Self-hosted, Downloadable app	Self-hosted, Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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