Compare software

duck vs s5cmd: catalog facts
duck	s5cmd
Free Free to install through package managers or installers.	Free Free and open source.
Windows, macOS, Linux, Command line	Command line
Supports FTP, SFTP, WebDAV, S3 and Swift from one tool Access to Cryptomator encrypted vaults	Parallel execution for fast bulk transfers Works on both S3 and local filesystems
Command line only; use Cyberduck for a graphical interface	Command-line only, no graphical interface Focused on S3 rather than other cloud storage protocols
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account 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 24, 2026	Official website Full listing and sources Checked September 24, 2026

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