Stellarium

Stellarium 0.9.1is a free program that puts a 3D planetarium on your computer screen. It lets you choose your viewing point coordinates, so you can watch the sky on the screen as if you were using a telescope in real life. You can make the illusion more realistic adding atmosphere effects and views including the ground.

Satellite Antenna Alignment

The program "Satellite Antenna Alignment" is used to calculate the angles necessary for installing satellite dishes. The main difference from similar software is the possibility to calculate the position for all satellites at once.

Suncycle

The Suncycle program creates a calendar that displays the sunrise and sunset times for any time zone and by latitude and longitude. The calendar can be configured to suit your needs and you can offset the winter and summer times, and even have an image and sound activated when the sunrise time is reached. The program now includes the azimuth.

OneCable.net - Explorer

SMS-X10-PC-remote-control logger for sensors, actors and GPS with mobile phones