Alternatives to TightVNC
Lightweight VNC server and viewer for local network remote control. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
TightVNC
Lightweight VNC server and viewer for local network remote control.
Replacements
Listings that take over the same core job as TightVNC.
TigerVNC
A fast, cross-platform VNC client and server built for real work, including 3D and video over the wire.
TigerVNC is a GPL-2.0 VNC client and server that adds macOS support, TLS encryption and extended authentication, with performance aimed at 3D and video workloads.
TurboVNC
A VNC server and viewer tuned for image-heavy work, so 3D applications and video stay usable over a network.
TurboVNC keeps the GPL-2.0 VNC model and adds macOS and ARM64 builds plus tuning for image-heavy and 3D applications, at the cost of more involved setup.
RealVNC Connect
Commercial VNC remote access tool with a free Lite plan for personal use.
RealVNC Connect is closed-source commercial VNC with cloud connectivity instead of direct network access, covering mobile too, but its free Lite plan is capped at three devices.
RustDesk
An open-source remote desktop tool you can point at your own relay server instead of somebody else’s cloud.
RustDesk replaces direct VNC with an AGPL-3.0 tool that uses relay servers you can host yourself, adding macOS and Android clients and a self-hosted web client.
NoMachine
High-performance remote desktop with audio, video and file transfer.
NoMachine is paid and closed source but adds audio, printing, file transfer, multi-monitor support and clients for macOS, Android and iOS.
KasmVNC
Access a Linux desktop through a web browser.
KasmVNC delivers a Linux desktop to a web browser without a viewer app, but it is Linux only and rejects traditional VNC viewer clients.
UltraVNC
Free, GPL-licensed VNC server and viewer for controlling Windows computers over a network or the internet.
UltraVNC is a GPL VNC server and viewer for Windows only, adding file transfer, chat and repeater tools, though encryption needs a plugin.
Also worth comparing
These listings name TightVNC as their own alternative, so the relationship runs both ways.
Krfb
A KDE desktop sharing server that lets another person view or control your session through VNC.
TightVNC is a lightweight GPL-2.0 VNC server and viewer for Windows and Linux on a local network, with weak authentication needing an SSH tunnel.
Radmin
Windows remote control software for IT staff supporting and administering computers on a network.
TightVNC is a free, lightweight GPL-2.0 VNC tool for LAN control on Windows and Linux, with weak authentication that needs tunnelling.
Similar software
Related functionality, not a direct replacement.
Remmina
The standard Linux remote desktop client, with plugins for RDP, VNC, SSH, SPICE and X2Go behind one connection list.
Apache Guacamole
A self-hosted remote desktop gateway that gives browser access to machines over VNC, RDP and SSH.
mRemoteNG
A tabbed connection manager for Windows that keeps all your RDP, VNC, SSH and HTTP sessions in one organised tree.
Chrome Remote Desktop
Google's free remote desktop service for reaching and controlling your computers from a web browser.
noVNC
An open-source VNC client that runs in a web browser using HTML5 WebSockets and Canvas.
AVNC
Open-source VNC client for Android with configurable gestures, virtual keys and a built-in SSH tunnel.
