InfernoR is a compact operating system designed for building distributed and networked systems on a wide variety of devices and platforms. With many advanced and unique features, Inferno puts an unrivalled set of tools into your hands. You can fetch it now as Free Software, on similar terms to Linux or xBSD.
Platform: unknown; License: GPL or LGPL / Free Software Scheme or Commercial Developer Licence
Reference: https://www.vitanuova.com/inferno/index.html