*[[ProPrint|ProPrint]] (Protext Print Enhancer) ([[Campursoft|Campursoft]])
*[[Prospell|Prospell]] ([[Arnor|Arnor]])
*[[Protext|Protext]] ([[Arnor|Arnor]] / [[WACCO]])
*[[Proword|Proword]] ([[Arnor|Arnor]])
*[[Pro-Ext|Pro-Ext]] (Protext Extensions) ([[Sentinel Software|Sentinel Software]])