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trzsz-ssh vs Dropbear: catalog facts
trzsz-ssh	Dropbear
Free Free and open source.	Free Free and open source under an MIT-style license.
macOS, Linux, Command line	macOS, Linux, Command line
Aims for full OpenSSH compatibility Interactive server selection and batch login	Very small memory and disk footprint Compatible with OpenSSH authorized_keys
Remembering passwords is less secure than key-based login Much of the community discussion is in Chinese	Distributed mainly as source code to compile yourself Fewer features than OpenSSH
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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