NeXTSTEP

When Steve Jobs left Apple in 1985, he took with him an obsession: to create the perfect computer. This obsession would give birth to one of the most fascinating adventures in computing history, that of NeXTSTEP. Here was an operating system that would break the mold.

In the computing world of the mid-1980s, graphical interfaces were still finding their way, systems crashed at the slightest misstep, and programming was an uphill battle. Jobs and his team at NeXT Computer decided to start from scratch. Their gamble was to marry UNIX's robustness with a new interface. They chose BSD as their base system, grafted the Mach kernel onto it, and there was their war machine ready to challenge the industry.

But NeXTSTEP's true boldness lay in its entirely object-oriented architecture. Where its competitors were tinkering with procedural code, NeXT bet everything on Objective-C. This decision seemed crazy at the time for anyone trying to understand this approach. Would developers follow? The team persisted and transformed every system component into an object: windows, buttons, files, processes. This architectural consistency transformed the user experience.

NeXTSTEP's interface was striking in its elegance. Display PostScript ensured surgical precision in graphics rendering. What you saw on screen matched exactly what the printer would produce. The famous Dock made its first appearance, that icon bar that simplified application access. A more discreet but equally remarkable innovation: the Workspace Manager offered column navigation that revolutionized file management.

NeXTMail pushed multimedia integration further. Send an image in an email? A sound file? A formatted document? Nothing could be simpler. This modern vision of messaging was years ahead of its time. Other systems struggled to display simple text properly when NeXT already offered the equivalent of the rich emails we know today.

Interface Builder revolutionized software development. Gone was the laborious coding of interfaces: programmers now assembled their windows visually, through drag-and-drop. This approach still inspires current tools. Services introduced unprecedented interoperability between applications. Retouching an image from within a word processor became child's play.

NeXTSTEP's file system anticipated our contemporary needs. Extensible metadata allowed enriching each file with contextual information. The Digital Librarian indexed all documents and offered sophisticated searches across the entire machine. Google Desktop and Spotlight would adopt this idea twenty years later.

Tim Berners-Lee chose a NeXT workstation to invent the Web at CERN. This choice was no accident, as NeXTSTEP's development tools made it possible to prototype complex applications. The first web browser and the first web server were born on this platform. Wall Street also took an interest in the system. Investment banks discovered its stability and adopted NeXT workstations for their mission-critical applications.

But technical excellence alone was not enough. The prohibitive price of NeXT machines hindered their adoption. Only wealthy professionals and a few universities could afford them. The general public remained out of reach. In 1994, NeXT abandoned hardware and refocused on software. OPENSTEP, the portable version of NeXTSTEP, ran on different architectures. This strategy broadened the audience but perhaps came too late.

The acquisition by Apple in 1996 revived everything. NeXTSTEP was reborn as Mac OS X. Jobs's system DNA shaped Apple's new operating system: object-oriented architecture, Cocoa frameworks, user interface philosophy. iOS directly inherited from this lineage. The iPhone and iPad owe much to NeXTSTEP's innovations.

This story proves that in computing, technological advancement always pays off in the end. The best ideas survive commercial failures and find their way to success.