EssentialPIM is a powerful Free PIM, or, to put it in other words, freeware Personal Information Manager for Windows. It is a complete solution for making and managing Calendars, Schedule, Tasks and Contacts. See below links for more information:
Features - check this section for screenshots and modules description.
EPIM Portable version - click here to see the free Personal Information Manager Portable version
Download - download the latest version of free EssentialPIM