Windows Resource Kit (1991) 31 Utility Windows

The Microsoft Windows Resource kit is a set of supplementary tools for managing and deploying Microsoft Windows. The first Windows Resource kit was released in 1991 for Windows 3.0. Most, but not all, Windows versions after that had corresponding Resource Kits. These were often freely downloadable from Microsoft.

• 3.x
• 95
• NT 4.0
• 98
• 2000

WordPerfect Office (Groupware) (1990) 0 Utility Editor PIM DOS

WordPerfect Office, from WordPerfect Corp, is a groupware utility that includes a menu shell, text editor, calendar, calculator, notebook, and file manager. It is unrelated to the later Corel office suite by the same name. Earlier versions were known as WordPerfect Library.

• 3.0