Inferno is a compact operating system designed for building distributed and networked systems on a wide variety of devices and platforms. Inferno is a distributed operating system started at Bell Labs, but is now developed and maintained by Vita Nuova Holdings as free software. Inferno is a derivative of Plan 9, which was originally developed at Bell Labs by the creators of Unix and C, among others. Inferno is a small, efficient operating system used in embedded systems and distributed applications. In 2000, the founders of Vita Nuova Holdings Ltd obtained exclusive rights to the Inferno operating system. Inferno is available for free download now as Free Software. Vita Nuova sells a commercial Inferno licence (which removes any need to publish your variants), offers training, and undertakes contract programming. The latest version follows a dual license scheme: http://www.vitanuova.com/inferno/licence.html