| | | | | 85 | NeXT, Inc. is founded
| | | 12 Oct 88 | NeXTSTEP 0.8 is released
| | | 18 Sep 89 | NeXTSTEP 1.0 is released
| | | 18 Sep 90 | NeXTSTEP 2.0 is released | | | 25 Mar 91 | NeXTSTEP 2.1 is released
| | | Sep 92 | NeXTSTEP 3.0 is released | | | 25 May 93 | NeXTSTEP 3.1 is released | | | Oct 93 | NeXTSTEP 3.2 is released | | | Feb 95 | NeXTSTEP 3.3 is released
| | | 96 | Apple buys NeXT Software, Inc. in order to use NeXTSTEP as the foundation of its next Mac OS
| | | 22 Jul 96 | OPENSTEP 4.0 is released | | | Dec 96 | OPENSTEP 4.1 is released | | | Jan 97 | OPENSTEP 4.2 is released
| | | Sep 97 | Rhapsody is released | | | May 98 | Rhapsody Developer Release 2 is released | |
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