Rhapsody
Operating system
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Rhapsody is an operating system that was developed by Apple Computer after its purchase of NeXT in the late 1990s. It is the fifth major release of the Mach-based operating system that was developed at NeXT in the late 1980s, previously called... Wikipedia
Developer: Apple Computer
Latest release: Developer Release 2 / May 1998; 25 years ago
Source model: Closed source