A powerful 32-bit calculator for Windows. Homepage here . Easy to use Invoicing and Payments tracking software. Homepage here . 3psoft offers the best financial forecasting and simulation software.
Homepage is here.
Automatical calculation of working hours for a certain project. Track down those valuable billable hours. Excellent Internet-enabled PIM with all the standard features plus many new ones. Homepage here . A very nice, full-featured PIM which keeps your calendar, To Do list, daily appointments, notes, and phone numbers for you.