GravitySim is an application written in C# using Microsofts Windows.Forms for the GUI. It allows the user to place point masses on a coordinate map, and given velocity, calculates the orbits of the masses, representing it graphically.
The AstroLog.NET project provides a software solution for logging, planning, and recording astronomical observations and a set of tools for general astronomical calculations for deep-sky, lunar, and planetary observations on the .NET platform.