Compare software

Krfb vs TightVNC: catalog facts
Krfb	TightVNC
Free Free and open source under the GPL, developed by KDE.	Free Free and open source under the GPL. A commercial licence is sold for redistribution.
Linux	Windows, Linux
Shares the existing desktop session rather than a separate one Works with any standard VNC client	Very light on resources, with a Java viewer that runs from any browser host Simple, dependable remote control on a local network
Linux only Fits best on a KDE Plasma desktop	No relay service; you must reach the machine yourself over the network VNC authentication is weak and needs to be tunnelled over SSH or a VPN
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0
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 September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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