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Royal TS vs Remmina: catalog facts
Royal TS	Remmina
Freemium A free tier with a connection limit is available. Full use requires a paid licence.	Free Free and open source, funded by donations.
Windows, macOS	Linux
One tabbed window for RDP, SSH, VNC and web sessions Shared connection documents keep a team's credentials consistent	RDP, VNC, SSH, SPICE, X2Go and HTTP/HTTPS through one saved connection list Packaged in more than fifty distributions, so installing it is usually one command
The free tier caps how many connections a document can hold Closed source	Linux only; there is no official Windows or macOS build Protocol support depends on which plugin packages your distribution ships
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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