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RustConn vs Royal TS: catalog facts
RustConn	Royal TS
Free Free and open source under the GPL 3.0 or later.	Freemium A free tier with a connection limit is available. Full use requires a paid licence.
macOS, Linux, Command line	Windows, macOS
Many protocols in one app, from SSH and RDP to serial and Kubernetes Embedded Rust clients rather than external helpers	One tabbed window for RDP, SSH, VNC and web sessions Shared connection documents keep a team's credentials consistent
Windows support only through WSLg Young project with a small community	The free tier caps how many connections a document can hold Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is 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 22, 2026

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