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TigerVNC is an open source Virtual Network Computing (VNC) server and client software, started as a fork of TightVNC in 2009. [2] The client supports Windows, Linux and macOS. The server supports Linux. There is no server for macOS [3] and as of release 1.11.0 the Windows server is no longer maintained. [4]
ThinLinc uses SSH for transport encryption and authentication, and VNC for graphics, keyboard and mouse. Access to client devices is provided through different open protocols such as PulseAudio for sound (playback and recording), NFS for file system access (using a user space NFS server), and Telnet/RFC2217 for serial port access.
TightVNC is a free and open-source remote desktop software server and client application for Linux and Windows.A server for macOS is available under a commercial source code license only, without SDK or binary version provided. [3]
There are some disadvantages, however. The first is that it consumes a large amount of memory. For good performance a scratch region 10 to 20 times larger than the actual screen should be used. So instead of using 5 MB for a 1280x1024 truecolor frame buffer, closer to 100 MB will be used (on both the VNC client and server sides). [7]
The VNC client (or viewer) is the program that represents the screen data originating from the server, receives updates from it, and presumably controls it by informing the server of collected local input. The VNC protocol (RFB protocol) is very simple, based on transmitting one graphic primitive from server to client ("Put a rectangle of pixel ...
NAT passthrough: the ability to connect to the server behind a NAT without configuring the router's port forwarding rules. It offers an advantage when you can't reconfigure the router/firewall (for example in case it is on the Internet service provider's side), but is a serious security risk (unless the traffic is end-to-end encrypted), because ...
RealVNC is a company that provides remote access software. Their VNC Connect software consists of a server (VNC Server) and client (VNC Viewer) application, which exchange data over the RFB protocol to allow the Viewer to control the Server's screen remotely.
X2Go is open source remote desktop software for Linux that uses a modified NX 3 protocol. [7] X2Go gives remote access to a Linux system's graphical user interface. It can also be used to access Windows systems through a proxy.