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TigerVNC vs Krfb: catalog facts
TigerVNC	Krfb
Free Free and open source, with no paid edition.	Free Free and open source under the GPL, developed by KDE.
Windows, macOS, Linux	Linux
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	Shares the existing desktop session rather than a separate one Works with any standard VNC client
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	Linux only Fits best on a KDE Plasma desktop
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0-or-later
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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