PIM and Contact Management

Treepad Lite

PIM - Personal Information Manager available for Windows, Mac OS X and Linux.
http://www.treepad.com/treepadfreeware/
Download Windows Version
http://www.treepad.net/download/treepad.zip

Open Contacts

Open Contacts is an address book with CRM features.
http://www.fonlow.com/opencontacts/
http://www.fonlow.com/opencontacts/Download.htm