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.
Skyfield
A production-stable MIT-licensed Python library for precise positions of planets, stars, and Earth satellites.
Basilisk
An open-source astrodynamics and spacecraft simulation framework for research, GNC, and hardware-in-the-loop work.