Compare software

TigerVNC vs UltraVNC: catalog facts
TigerVNCUltraVNC
Free

Free and open source, with no paid edition.

Free

Free and open source under the GPL.

Windows, macOS, Linux Windows
  • 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
  • Standard VNC protocol, works with other VNC software
  • File transfer, chat and service mode
  • 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
  • Windows only
  • Encryption requires a plugin in the main product
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: GPL
No account needed No account needed
Needs internet Not stated if it works offline

Checked September 20, 2026

Checked September 23, 2026

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