Kurlo is a free, portable contact manager designed for personal and business use. Kurlo can easily be installed and run on a Windows computer and/or a portable device such as a USB flash drive or mp3 player.

Kurlo Features
portability, multiple user capability
both individual and organization contacts
address lists, email and email lists
event tracking (birthdays, anniversaries and custom events)
address label and envelope printing, standard and custom sizes
import/export, data backup