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Sync-in vs Cloudreve: catalog facts
Sync-in	Cloudreve
Free Free and open source, with optional paid enterprise support.	Freemium The open-source edition is free to self-host; a paid Pro edition is also offered.
Web, Self-hosted	Web, Self-hosted
Files remain readable on disk outside the application Consistent permissions across web, WebDAV, sync and API	Self-hosted file storage and sharing Supports multiple storage backends
You run and maintain the server yourself Younger project than Nextcloud or Seafile	Project website is in Chinese Requires your own server to run
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: GPL-3.0
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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