Marek Jablonski Software

euphOrbit 

euphOrbit version 1.0 is a simple tool designed to simulate the motions of planetary bodies in space. The primary design philosophy of this program was that it had to simulate asteroids speeding through our Solar System close to "true life".
gravity asteroid newton kepler nasa orbital inclination perihelium

Webmizzle 

Webmizzle is a simple tool for monitoring current weather conditions worldwide. It uses data that are available to the public (you can see the same images on countless www pages with any web browser).
satellite weather cloud rain wind forecast