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mRemoteNG vs RustConn: catalog facts
mRemoteNG	RustConn
Free Free and open source under the GPL.	Free Free and open source under the GPL 3.0 or later.
Windows	macOS, Linux, Command line
RDP, VNC, SSH, telnet, rlogin, raw sockets and HTTP in one tabbed window Folder tree with inherited settings, so a hundred servers stay manageable	Many protocols in one app, from SSH and RDP to serial and Kubernetes Embedded Rust clients rather than external helpers
The last tagged stable release is 1.76 from 2019 Windows only	Windows support only through WSLg Young project with a small community
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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