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TigerVNC vs X2Go: catalog facts
TigerVNC	X2Go
Free Free and open source, with no paid edition.	Free Free and open source, with optional professional support from third parties.
Windows, macOS, Linux	Windows, macOS, 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	Clients for Windows, macOS and Linux Can publish single applications as well as full desktops
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	Server side runs on Linux only Some linked Windows client builds date from 2020
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
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 23, 2026

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