Craig ported his original Atari implementation to the 16-bit DOS platform and Euphoria was first released, version 1.0, in July 1993 under a proprietary licence. The original Atari implementation is described by Craig as "primitive" and has not been publicly released. Euphoria continued to be developed and released by Craig via his company Rapid Deployment Software (RDS) and website rapideuphoria.com. In October 2006 RDS released version 3 of Euphoria and announced that henceforth Euphoria would be freely distributed under an open-source software licence.