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PSSH vs MuSSH: catalog facts
PSSH	MuSSH
Best for: Administrators who need to run commands across a group of SSH servers	Best for: System administrators repeating commands across multiple remote hosts
Free Free and open source under the BSD-3-Clause license.	Free Free and open source under the GNU General Public License version 2.
macOS, Linux, Command line	Linux, Command line
Runs SSH commands across multiple machines Includes parallel copy and synchronization tools All 3 strengths for PSSH Runs SSH commands across multiple machines Includes parallel copy and synchronization tools Provides pslurp for retrieving files	Runs commands or scripts across multiple SSH hosts Can use ssh-agent to reduce repeated authentication
Requires Python 3.5 or later	Requires SSH access to the target hosts
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: GPL-1.0-or-later
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 Sources for PSSH github.com/lilydjwg/pssh Catalog checked October 8, 2026	Official website Full listing and sources Sources for MuSSH sourceforge.net/projects/mussh Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.