The HyperOffice Suite is a sweet collection of programs that are designed to bring the Office, no matter what the size, together for collaboration, calendaring and organization. Actually, as we found in our discussion with the co-founder Farzin Arsanjani, even the clients or customer base of the HyperOffice can utilize the suite for the communication with the sales force or management.
source:
http://www.techtalkradio.com:80/internet/hyperoffice.htm