QGIS
A free and open-source geographic information system widely used for Earth-observation and geospatial analysis.
NASA Core Flight System (cFS)
NASA Goddard’s open-source flight-software framework bundle and common applications for spacecraft systems.
OpenC3 COSMOS Core
A free, source-available command-and-control stack for hardware integration, telemetry, commands, scripts, and dashboards.
FreeFlyer
Commercial astrodynamics software for space mission design, analysis, and operations across the mission lifecycle.
Meridian
A modern flight dynamics ground-system solution for satellite operations, powered by FreeFlyer.