Classic Mac OS word processors

word processor software part of Microsoft 365

WordPerfect (WP) is a word processing application, now owned by Corel. At the height of its popularity in the 1980s and early 1990s, it was the market leader of word processors, displacing the prior market leader WordStar.

MacWrite is a discontinued WYSIWYG word processor released along with the first Apple Macintosh systems in 1984. Together with MacPaint, it was one of the two original "killer applications" that propelled the adoption and popularity of the GUI in general, and the Mac in particular.