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noVNC vs Remmina: catalog facts
noVNC	Remmina
Free Free and open source.	Free Free and open source, funded by donations.
Web, Self-hosted	Linux
Works in any modern browser, including mobile browsers No VNC viewer to install on the client machine	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
Needs a VNC server on the remote machine The NPM package holds only the core library, not the full client	Linux only; there is no official Windows or macOS build Protocol support depends on which plugin packages your distribution ships
Web application, Self-hosted	Downloadable app
Open 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 23, 2026	Official website Full listing and sources Checked September 20, 2026

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