Tracking Software

AcuSat
An application used to align satellite dishes to geostationary satellites.
http://www.acusat.com

AGI - Analysis Software for Land, Sea, Air, and Space
Products, user community, support, services, training, and events.
http://www.stk.com/

GLsat
3D satellite tracking and visualization utility written in C++ using OpenGL, calculates current position, and displays position around the earth.
http://glsat.sourceforge.net/

Groundstation: Gpredict
Program that can track a large number of satellites, display the satellite data in lists and/or show the satellites on maps.
http://groundstation.sourceforge.net/gpredict/

NORAD Two-Line Element Sets
Orbital data for any satellite tracking program, updated regularly by CelesTrak.
http://celestrak.com/NORAD/elements/

Northern Lights Software Associates
A windows-based program with real time tracking of an unlimited number of satellites.
http://www.nlsa.com

Orbitron - Satellite Tracking System
For radio amateur and observing purposes, and used by weather professionals, satellite communication users, astronomers, UFO hobbyists and astrologers.
http://www.stoff.pl

PocketSat
Software for PalmPilot with documentation, FAQ, data, trial download, and links.
http://www.bigfattail.com/pocketsat/

Sebastian's Home Page
Orbit, visual program for Windows and TLE links.
http://www.sebastian-stabroth.de/

TrackingSat
Program useful to assist satellite professionals, operators and domestic users that need to install an antenna and align it with the satellites in orbit.
http://www.geocities.com/trackingsat/