astronomical-algorithms topic
TrueColorTools
GUI application for calculating human-visible colors of celestial bodies from their photometric data
PINK
Parallelized rotation and flipping INvariant Kohonen maps
xpsi
X-PSI: X-ray Pulse Simulation and Inference
spheral
Stimela-classic
Containerized radio interferometry scripting framework -- NB: Classic version is no longer in active development, use stimela 2! See README for details.
SolarCalculator
Arduino library to calculate the times of sunrise, sunset, solar noon, twilight, the solar position, and more.
astrobook
The Astrobook source files
cspice
NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility
Astrarium
Astrarium — open-source planetarium software for Windows
yandasoft
Astronomical Calibration and Imaging Software