NeXT

History
A company founded by Steve Jobs in 1985 to manufacture workstation computers specifically designed for the educational market that were based around Motorola 68030 microprocessors. The workstations were a notorious flop and were taken off the market in 1993 but the microkernel based operating system called NeXTStep continued to be developed.
Products
Workstations
- NeXT Cube
Operating Environments
NeXTStep
Th NeXTStep operating system was designed by a team led by Avie Tevanian, but he had been a member of the team that designed the Mach Microkernel at the Carnegie Mellon University alongside the BSD UNIX like personality for it. NeXTStep is basically a version of the Mach kernel and the UNIX personality with a layer of object-oriented user interface on top, that is implemented in Objective C.
OPENSTEP
OPENSTEP was later used as the basis for MacOS X Server and MacOS X.