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Krfb vs TigerVNC: catalog facts
Krfb	TigerVNC
Free Free and open source under the GPL, developed by KDE.	Free Free and open source, with no paid edition.
Linux	Windows, macOS, Linux
Shares the existing desktop session rather than a separate one Works with any standard VNC client	Performance aimed at 3D and video workloads, not just a remote text editor TLS encryption and extended authentication on top of the plain VNC protocol
Linux only Fits best on a KDE Plasma desktop	VNC has no built-in file transfer, audio or printing; it is a screen and input protocol Security depends on configuring TLS and authentication correctly, which is on you
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 20, 2026

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