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TightVNCTigerVNC
Free

Free and open source under the GPL. A commercial licence is sold for redistribution.

 Free

Free and open source, with no paid edition.

Windows, Linux Windows, macOS, Linux
  • Very light on resources, with a Java viewer that runs from any browser host
  • Simple, dependable remote control on a local network
  • 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
  • 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
  • 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 License: GPL-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked September 20, 2026

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