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Cloudreve vs Sync-in: catalog facts
Cloudreve	Sync-in
Freemium The open-source edition is free to self-host; a paid Pro edition is also offered.	Free Free and open source, with optional paid enterprise support.
Web, Self-hosted	Web, Self-hosted
Self-hosted file storage and sharing Supports multiple storage backends	Files remain readable on disk outside the application Consistent permissions across web, WebDAV, sync and API
Project website is in Chinese Requires your own server to run	You run and maintain the server yourself Younger project than Nextcloud or Seafile
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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