Carveco was formed by the original ArtCAM development team. Their software is built on the same engine, making it the "official" spiritual successor.
There is no single "universal viewer" for ArtCAM files because of the proprietary nature of the .art format. However, solutions exist in three categories: artcam file viewer
: It natively opens almost all legacy .art files. Carveco was formed by the original ArtCAM development team