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Dropbear vs OpenSSH for Windows (mls-software): catalog facts
Dropbear	OpenSSH for Windows (mls-software)
Free Free and open source under an MIT-style license.	Free Free to download.
macOS, Linux, Command line	Windows, Command line
Very small memory and disk footprint Compatible with OpenSSH authorized_keys	Tracks current OpenSSH releases Builds still available for Windows 2000, XP and 2003
Distributed mainly as source code to compile yourself Fewer features than OpenSSH	Maintained by a single small site Website is plain and sparse on documentation
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
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.