InfoPro 

InfoPro manages your bits and pieces of information without having to manage multiple files. It can handle anything from a to-do list to complex notes. You can collect all your bits and pieces of information into a "hierarchical collection of notes".
infopro information manage store business reminder todo notes

Easy Word 

A complete set of DOS programs including Hard Disk Menu, DataBase, Wordprocessor, Backup, Installer and Self Extracting Installer.
dos menu install backup database