NX 4 introduced optimal image compression and caching with the latest video-encoding techniques. NX utilizes uses a combination of video and image encoding based on standard codecs and a number of techniques developed by NoMachine as well as VirtualGL to access high-end OpenGL-based X applications and 3-D CAD programs. Images rendered on the server are compressed and encoded and then sent to the client for decryption and decompression.
NoMachine Linux products also offer the ability to run multiple virtual Linux desktops on a Linux server (Linux Terminal Server) which are remotely accessed over a network connection. Higher-end products include multi compute-node clustering and fail-over capabilities. Other features include USB redirection, session recording, file transfer, multimedia capability and browser-based access. Users connect from a Windows, Mac OS X, iOS, Android, Linux, Raspberry, Linux ARM or Web browser. NoMachine NX can be installed on Windows, Mac, Linux, Raspberry and Linux ARM computers to let users remotely access the desktop over the network. It was in 2013 that NX software became NoMachine software. Starting in 2013, with the release of version 4.0, NX became closed-source.
In 2010, the company announced they would be releasing the technology under a proprietary license. The last update to this open-source version was released in 2012. The core compression technology was released under the GNU GPL2 license (NX 1) for Linux servers, whilst other components such as the NX Server and NX Client programs remained proprietary, on February 14, 2003. It wrapped remote connections in SSH sessions for encryption. In 2003, the compression and transport protocol NX was created to improve the performance of the native X display protocol so it could be used over slow connections such as dial-up modems. NX's design was derived from the Differential X Protocol Compressor project (DXPC).
It is developed by the Luxembourg-based company NoMachine. NX technology, commonly known as NX or NoMachine, is a proprietary cross-platform software application for remote access, desktop sharing, virtual desktop (on Linux only) and file transfer between computers.
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