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Mosh vs trzsz-ssh: catalog facts
Mosh	trzsz-ssh
Free Free software.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Sessions survive IP changes and sleep Local echo reduces perceived lag	Aims for full OpenSSH compatibility Interactive server selection and batch login
Server component must be installed on the remote host Needs UDP ports open through firewalls	Remembering passwords is less secure than key-based login Much of the community discussion is in Chinese
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account 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 1, 2026

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