GEM
Messy stub. Please expand!
GEM (Graphical Environemnt Manager) is based on one of the first graphical user interfaces ever developed, by Digital Research labs, 1980's
- Versions for number of platforms, eg PC (link)
- Version licenced to Atari, after Microsoft said a version of Windows would take more than a year to develop
- Xerox connection... sued Digital for breach of patents?