Ultracalc (1982) 5 Spreadsheet CPM

Ultracalc, from Lattice Inc, is an electronic spreadsheet program that was available for CP/M, DOS, and Unix. It includes an algebraic expression analyzer that supports 11 operators and 22 functions. The system employs a menu-driven format and includes an extensive set of prompts, on-line help and error messages. Ultracalc is written in C and was considered highly portable.

• 2.0

Valdocs (1984) 15 Word Processor Spreadsheet Graphics Communications CPM

Valdocs is an office suite that was bundled with the Epson QX-10 (and later QX-16) Z80 based computer. It was "WYSIWYG" in that it could display different fonts of different sizes in the editor on the screen. It could also embed images in the document, and print the document to a graphics printer.

• 2.00
• Plus
• Plus III

Virtual PC (1996) 63 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