Desk Manager by Michael Kluger & Stephen Sunshine (1985, Softsync) - Desk Manager is a business utility for the Commodore 128. This program is designed for 40 column mode but will work in 80 columns.  Included in the program are functions for writing a letter, creating a schedule, creating an index, keeping notes and a calculator.  The whole program is written in BASIC, so don't expect blazing speed.