NASA Core Flight System (cFS)
NASA Goddard’s open-source flight-software framework bundle and common applications for spacecraft systems.
F Prime
NASA/JPL’s component-driven, open-source framework for spaceflight and embedded software applications.
NASA Operational Simulator for Space Systems (NOS3)
A NASA open-source digital-twin and software-simulation environment for spacecraft integration and test.
NASA Trick Simulation Environment
NASA’s open simulation environment for model integration, execution control, data recording, and analysis.
NASA Open MCT
A web-based, open-source mission-control and data-visualization framework developed at NASA Ames.
Yamcs
An open-source mission-control framework for telemetry, commanding, automation, and spacecraft operations.
OpenC3 COSMOS Core
A free, source-available command-and-control stack for hardware integration, telemetry, commands, scripts, and dashboards.
SatNOGS
An open-source global satellite ground-station network, client stack, and public transmitter database.
Basilisk
An open-source astrodynamics and spacecraft simulation framework for research, GNC, and hardware-in-the-loop work.