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trzsz-ssh vs Mosh: catalog facts
trzsz-ssh	Mosh
Free Free and open source.	Free Free software.
macOS, Linux, Command line	macOS, Linux, Command line
Aims for full OpenSSH compatibility Interactive server selection and batch login	Sessions survive IP changes and sleep Local echo reduces perceived lag
Remembering passwords is less secure than key-based login Much of the community discussion is in Chinese	Server component must be installed on the remote host Needs UDP ports open through firewalls
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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