Executor Virtualization DOS

Executor, from Abacus Research and Development, is a commercial DOS based Macintosh emulator. There were also versions for NextStep and Linux. Emulates a 68040 base Mac.

ODIN Virtualization OS2

Tools for converting and running Windows applications in OS/2.

SoftWindows Virtualization MacOS

Insignia Solution SoftPC, or "SoftWindows" when bundled with Windows, is an x86 emulator UNIX and MacOS that enables them to run DOS and Windows. SoftWindows is unique in that it uses native CPU recompiled Windows binaries providing near native speed for some application. It was also ported to platforms such as SGI Irix, Sun Solaris, HP-UX, IBM AIX, NeXT, Motorola 88000, DEC VAX/VMS, DEC ULTRIX, and was the emulator used by Microsoft to run DOS and Windows 3.1 application on the DEC Alpha CPU Windows NT.

Virtual PC Virtualization MacOS Windows OS2 Mac OS X

Originally an x86 emulator for Macintosh used to run Windows, Connectix, the company that made it, was purchased by Microsoft. Virtual PC was then retooled into a virtualization tool for x86 systems.

VirtualBox Virtualization Windows

VirtualBox is an an x86 virtualization program.

VMware Virtualization Windows

Well known and robust hypervisor software.