XtraDrive is a hard drive compression program that competed against programs like Stacker and SuperStor. XtraDrive was slightly slower, but was priced lower. before DOS and intercepts disk writes at the BIOS level. This allows many disk utilities to work that otherwise would not. Unlike the other drive compression programs at the time, XtraDrive features easy de-installation.

XTree is an easy to use text-mode file manager. It pioneered the use of a GUI-like hierarchy tree, and provides many integrated file viewers. It competed against many other file managers including Gazelle Q-DOS and Norton Commander

XVision, from Visionware, is a commercial X-Windowing "server" for connecting client Windows 3.x computers to Unix and VMS systems.

XyWrite is a word processor for MS-DOS and Windows modeled on the mainframe-based ATEX typesetting system. Popular with writers and editors for its speed and degree of customization, XyWrite was in its heyday the house word processor in many editorial offices, including the New York Times from 1989 to 1993. XyWrite was developed by David Erickson and marketed by XyQuest from 1982 through 1992, after which it was acquired by The Technology Group. The final version for MS-DOS was 4.18 (1993); for Windows, 4.13. An offshoot descendant of XyWrite called Nota Bene is still being actively developed.

Zenographics Pixie is a simplified, easy to use business presentation and graphing program. It is designed to work with Microsoft Windows 2.x. It was designed to interoperate with their high end Zenographics Mirage graphics software. It can export to Mirage, CGM, and Windows metafiles, and provide output to film recorders.