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s3cmd vs Rclone: catalog facts
s3cmd	Rclone
Free Free and open source; you pay only for the storage you use.	Free Free and open source under the MIT licence. You still pay whatever your storage provider…
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Works with Amazon S3 and other S3-compatible providers Sync command suited to scripted backups	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
Command line only, no graphical interface No Windows version from the same project	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
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

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