ParcPlace Systems

ParcPlace Systems. It was a pioneering software company founded in 1986 by former Xerox PARC researchers Adele Goldberg and David Robson. The company was established to commercialize the groundbreaking object-oriented programming environment and programming language developed at the famed Palo Alto Research Center. ParcPlace Systems played a critical role in transitioning advanced research concepts, particularly those from the Smalltalk project, into commercial software development tools for the emerging workstation market.

History

The origins of the company are deeply rooted in the innovative culture of Xerox PARC, where the Smalltalk-80 language and environment were created. Following the departure of key Xerox leadership and a shift in corporate strategy, Goldberg and Robson secured the rights to license the Smalltalk technology. They founded the company in Sunnyvale, California, with initial funding from prominent venture capital firms. The firm quickly became the primary commercial source for Smalltalk, targeting developers building applications for UNIX-based systems from vendors like Sun Microsystems and Hewlett-Packard. Throughout the late 1980s and early 1990s, it faced increasing competition from other object-oriented languages like C++ and new companies such as NeXT.

Products

The company's flagship product was **ParcPlace Smalltalk**, a direct descendant of the Smalltalk-80 system from Xerox PARC. This integrated development environment included a virtual machine, a dynamic class library, and a sophisticated graphical user interface builder. Key products included **ObjectWorks\Smalltalk** and later **VisualWorks**, which featured a portable window system that allowed applications to run on X Windows, Microsoft Windows, and the OS/2 operating system. The company also developed **ParcPlace C++**, an environment that applied Smalltalk-inspired browsing and debugging tools to the C++ language, and produced various tools for team programming and software configuration management.

Technology and influence

The company's technology was instrumental in propagating core concepts of modern software engineering. Its systems emphasized a pure object-oriented model, dynamic typing, and a live programming environment with features like garbage collection and reflection. The architecture of **VisualWorks**, particularly its portable MVC framework and the use of bit blit operations, influenced later GUI toolkits. The firm's work demonstrated the power of integrated development environments long before they became commonplace, influencing subsequent tools from Borland and Microsoft. Its technology also served as a foundational platform for early research into design patterns, as documented in the influential book by the Gang of Four.

Corporate evolution

Throughout its independent existence, the company engaged in strategic partnerships with major information technology firms, including IBM and Hewlett-Packard. As the software industry consolidated in the early 1990s, the high cost and niche status of its environments led to financial pressures. In 1995, seeking greater market reach, it merged with its main rival, Digitalk, which produced the **Smalltalk/V** line for personal computers. The merged entity, ParcPlace-Digitalk, struggled to integrate the two product lines and cultures. The combined company was subsequently acquired by Cincom Systems in 1997, which continued to maintain and develop the VisualWorks product line for many years.

Legacy

The legacy of the company is profound within the history of computing. It successfully transitioned visionary research from Xerox PARC into commercial products, educating a generation of developers on object-oriented principles. Alumni from the firm went on to key roles at companies like Apple Inc., Google, and Sun Microsystems, spreading its engineering ethos. The VisualWorks system remains in use in certain legacy enterprise software systems. Furthermore, many of its architectural ideas resurfaced in later successful platforms, notably the Java programming language and its Java virtual machine, which adopted similar concepts of bytecode interpretation and portable GUI libraries.

Category:Defunct software companies of the United States Category:Companies based in Santa Clara County, California Category:Smalltalk