The Swiss Ephemeris available through Swift Package Manager

Public version of the GIZMO multi-physics massively-parallel code

Extract star pixel coordinates from a FITS image using JavaScript

Astrophysical Multipurpose Software Environment. This is Steven Rieder's fork of the main repository for AMUSE.

Astrophotography GIMP plugin created by Georg Hennig.

Ecliptic watchface for Pebble smartwatch displays positions of the Sun, the Moon and five brightest planets

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

C (pgplot) code to plot the Planck function of a black body (Sun or any other star)

Software that generates a list of isolated stars in crowded fields. There are only two things required: an image in the FITS format and a list of all stars which have been found on this image.

Allows to search for common stars using XY coordinates

Stars for terminal interfaces