Virtual PC (1996) 14 Virtualization Windows OS2 MacOS

Virtual PC started off originally as an x86 emulator for PowerPC Macintosh to run MS-DOS and Microsoft Windows. Connectix, the company that made it, was purchased by Microsoft. Virtual PC was then retooled into a virtualization tool for x86 systems. Microsoft discontinued Virtual PC in favor of a server-oriented virtualization product called Hyper-V.

• 4.x

VisPro/C++ (1994) 0 OS2

VisPro/C++, from HockWare is a IDE and rapid application development tool for OS/2. Supports several of the more popular C++ compilers including VisualAge and MetaWare.

• 1.x
• 3.x

Watcom C/C++ (1989) 4 DOS OS2 Windows

The Watcom C/C++ is a powerful compiler for DOS, Windows, and OS/2. Its key selling point was superior cross platform support. It supported DOS, extended DOS 32-bit, Win16, Win32, and OS/2. Notably, it was used to produce the video game DOOM as a 32-bit DOS extended program.

• 8.5
• 9.0
• 10.0

WordPerfect (1983) 53 Word Processor OS2

During the late 1980's, WordPerfect was THE standard word processor for DOS based PCs in big business. Under DOS, it competed mostly against Wordstar. WordPerfect for Windows enjoyed some success in the early Windows environments, but was quickly displaced by Microsoft Word for Windows. Later Windows versions were part of Borland Office/Novell PerfectOffice/Corel Office/Corel WordPerfect Office.

• 5.0 (OS/2)
• 5.2 (OS/2)