3DPlanetary is a program that shows the solar system with 22 bodies in real-time. It shows the planets of solar sytem and some of their satellites, all textured and in the correct position. There is also a Planetarium, in which you can see all the bright stars (over 3000), and planets. You can zoom on a planet and look it as if through a telescope.
AMMP (another molecular mechanics program) is a full-featured molecular modeling package. Notable features include the use of the fast multipole method for calculations using all pairs of atoms, stiffly stable dynamics, embedding and other strategies for robust building of model structures from limited data.
A+ is a powerful and efficient programming language. It embodies a rich set of functions and operators, a modern GUI with many widgets and automatic synchronization of widgets and variables, asynchronous execution of functions associated with variables and events, dynamic loading of user compiled subroutines, and many other features. Execution is by a rather efficient interpreter.
as-gps contains a basic support library for accessing the inexpensive ($20) Aisin-Seiki GPS Module previously available at mavin.com. The package also includes several simple console utilities for dumping satellite status, location, and time and for synchronizing the system clock.