Downloading PAID 5.4 from our website was free. PAID lies within Office Tools, more precisely Mind mapping. The actual developer of the program is Minutiae Software.
From the developer:
PAID is a database program designed for freelancers in the television and film industry for easily track job clients, invoices, billing items, crew members and project estimates. The program has a user friendly interface, totally integrated linked modules and a built-in spell checker.
You may want to check out more software, such as Telstra Connection Manager, Curtain LogTrace or zebNet Backup for Thunderbird Free Edition, which might be similar to PAID.