Satellite tracking program
Satellite Procedure Execution Language and Library
Portable rotator for amateur satellite tracking
SCADA HMI for substations, IoT and automation applications
A universal desktop operating system.
For building cross-platform 3D geospatial apps in Java
Real time satellite tracking and orbit prediction
An image processing tool
Realistic space exploration / orbital mechanics simulator.
An open source toolkit for real space missions
MIT's spacecraft simulator for control algorithm development