What happened to GEM?
GEM was an early GUI for the IBM PC and compatibles and, later, the Atari ST, developed by Digital Research, the developers of CP/M and, later, DR-DOS. (Digital Equipment Corporation was a different company.) So what was it, and what happened to GEM?
It was very similar to the Apple Lisa, and Apple saw it as a Lisa/Macintosh ripoff and sued. While elements of GEM did indeed resemble the Lisa, Digital Research actually hired several developers from Xerox PARC.
DRI demonstrated the 8086 version of GEM at COMDEX in 1984, and shipped it on 28 February 1985, beating Windows 1.0 to market by nearly 9 months.
Read More »What happened to GEM?