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Rclone vs Synology Cloud Sync: catalog facts
Rclone	Synology Cloud Sync
Free Free and open source under the MIT licence. You still pay whatever your storage provider…	Free Runs as a package on a Synology NAS; the cloud storage services are billed separately by…
Windows, macOS, Linux, Command line	Self-hosted
Over seventy cloud storage products behind one command syntax, including S3, Drive, Dropbox, B2 and Azure Preserves timestamps and verifies checksums at all times, and resumes interrupted transfers	Works with Backblaze B2, Dropbox, Google Drive and OneDrive One-way or two-way sync with per-task schedules
Command line only; the web GUI is experimental and third party front ends vary in quality Mounting a remote as a drive needs WinFsp on Windows or FUSE on Linux and macOS	Requires a Synology NAS Closed source
Downloadable app	Self-hosted
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

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