SPICE-enhanced Cosmographia
A free NASA/JPL mission-visualization application for SPICE-driven trajectories, attitudes, instruments, and observation geometry.
CesiumJS
An Apache-licensed JavaScript library for high-precision 3D globes, time-dynamic visualization, and geospatial web applications.
NASA/JPL SPICE Toolkit
NASA/JPL’s free toolkit and data system for mission geometry, ephemerides, observation planning, and science operations.
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 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.
Skyfield
A production-stable MIT-licensed Python library for precise positions of planets, stars, and Earth satellites.