Recreation, Radio, Amateur, Satellite Tracking - Orbitron - Satellite Tracking System. Shows positions of satellites at any given moment in real or simulated time.
Recreation, Radio, Amateur, Satellite Tracking - Northern Lights Software Associates. Nova for Windows tracks an unlimited number of satellites in real time.
Recreation, Radio, Amateur, Satellite Tracking - Heavens Above. Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, star and charts.