Apple Lisa Office System (1984) 2 Other

The Lisa Office System was the operating system, graphical desktop, and office suite designed for and shipped with the Apple Lisa computer. It was Apple's first attempt at creating a fully graphical operating environment. This included a graphical desktop, drop down menus, common input controls, multiple windowed applications and data sharing between applications.

• 3.x

Apple Macintosh 68000 Development System (1984) 3 MacOS

This was Apple's development system for m68k based Macs that ran natively on Macintosh computers. Prior to this product, Macintosh software had to be developed on Lisa machines.

• 1984

Norton SystemWorks (1998) 7 Utility MacOS

Norton SystemWorks was a utility software suite by Symantec Corp. It integrates three of Symantec's most popular products – Norton Utilities, Norton CrashGuard and Norton AntiVirus – into one program designed to simplify solving common PC issues. Backup software was added later to high-end editions. SystemWorks was innovative in that it combined several applications into an all-in-one software for managing computer health, thus saving significant costs and time often spent on using different unrelated programs.

• 1.x

Pick Operating System (1987) 0 Other

The Pick Operating System is a multi-user database oriented operating system for the IBM PC. It includes its own multi-user database, and native applications are written in Pick BASIC. It is similar to, and competed against Thoroughbred OS. Later versions of the Pick System database and programming language were hosted under Unix or Windows instead of using its own OS.

• 1987

System Software (0-6) (1983) 75 MacOS

In 1984 Apple Computer unveiled their Macintosh. It included a new user interface that revolutionized the way people though about computer interaction. Originally referred to as simply "Macintosh System", the underlying OS was a single-tasking disk system for the Motorola 68K CPU. Significant changes were made in MacOS 7.x. | 1.x-6.x | 7.x | 8.x | 9.x | MacOS X | All |

• Pre-Release
• System 1.x
• System 2.x
• System 3.x
• System 4.x
• System 5.x
• System 6.x

UCSD p-System (1984) 2 Other

The UCSD p-System is a highly portable operating system. It uses the Pascal programming language, and all applications are compiled to interpreted bytecode. This means an application written for the p-System should run on any p-System platform, regardless of the CPU and architecture. However, depending on the use, it could be quite slow. p-System, but it lost its portability advantage as the industry standardized on the x86 IBM PC architecture.

• II
• IV