Free Astronomy Software
Disclaimer: This software is NOT malicious nor harmful, but it may or may not work on your system This software was designed for Windows 98/XP and 200, but may work on Vista (Untested)
Ephemeris
An astronomical ephemeris program that will calculate most objects in the sky to the date/time and location in the sky for any given date/time.
Starlog- Session note keeper
Simple to use database to keep information about a given viewing or imaging session. You can keep notes, equipment notes, and even files of images you took that particular night.