《30天自制操作系统》源码中文版。自己制作一个操作系统（OSASK）的过程

NASA Operational Simulator for Small Satellites

Code auditing and profiling tool based on gcc for C programs to adhere to NASA's JPL Rule of 10 🚀

Bifrost Centurio is a Space Flight Navigation Real-Time Operating System & Artificial Intelligence. Centurio is derived from Nasa's Core Flight System.

NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility

A modernised version of NASA's 1989 Voyager Image Decompression Program

Web Application to visualize TLE Data build for Space Apps 2021

NAS benchmark suite source

A Docker-based development environment for cross-compiling NASA's Core Flight System (cFS) to a Raspberry Pi 3.

Computation of complex chemical equilibria of perfect gases and pure condensed species in order to characterize rocket motor performance. This software intends to be a replacement for the highly useful propep while allowing more flexibility. Original author: Antoine Lefebvre

Qsim is a powerful physics simulation engine that enables users to create, simulate and interact with particles in a wide variety of scenarios. The C-based library features a flexible architecture that allows for quick and efficient development of complex simulations that involve particle dynamics, collision detection and force application.

Make your own terapixel interactive image of the surface of Mars

Simple program to calculate how far away the Voyager probes are from the Sun

For the Great Lunar Expedition for Everyone (GLEE) 2023.

NASA’s SAFER using B-Method

EEFS (EEPROM File System) for RT-Thread

A collection of tools to pack the GAIA universe model in a binary format.

A C program using HDF5/NetCDF4-C libraries to read in NCEP/NCAR Reanalysis data and perform temporal interpolation to output NetCDF files of finer granularity to better integrate the Reanalysis data with other NASA instruments and data.