| Port | Description |
|---|
| ansiweather | weather in terminal, with ANSI colors and Unicode symbols |
| calcmysky | simulator of light scattering by planetary atmospheres |
| celestia | real-time 3D visualization of space |
| celestia-data | data files for the Celestia space simulator |
| dgpsip | Differential GPS over IP communication device |
| gcal | calculate and print calendars |
| gnuastro | GNU Astronomy Utilities |
| jday | astronomical julian date calculator |
| kosmorro | computes positions for the stars, planets, and satellites |
| kstars | planetarium simulator for KDE |
| liberfa | Essential Routines for Fundamental Astronomy |
| libnova | astronomic computations as a library |
| phoon | displays the phase of the moon in ascii |
| py-astral | calculations for the position of the sun and the moon |
| py-astropy | community-developed Python astronomy tools |
| py-astropy-iers-data | IERS earth rotation and leap second tables for astropy |
| py-de421 | JPL Planetary and Lunar Ephemeris DE421 for jplephem |
| py-erfa | Python wrapper for ERFA |
| py-jplephem | use a JPL ephemeris to predict planet positions |
| py-kosmorrolib | computes positions for the stars, planets, and satellites |
| py-metar | Python module to access NOAA's METAR weather reports |
| py-sgp4 | Python implementation of SGP4 satellite tracking algorithm |
| py-skyfield | computes positions for the stars, planets, and satellites |
| py-skyfield-data | offline data for py-skyfield |
| siril | astronomical image processing tool |
| stellarium | free open source planetarium |
| stellarsolver | astrometric plate solver |
| sunclock | display the phase of the Sun on a map of the Earth |
| wcslib | implementation of the FITS WCS standard |
| wmglobe | wm-dockapp; displays the earth on an icon |
| wmmoonclock | wm-dockapp; shows the moon phase |
| wmspaceweather | wm-dockapp; space weather monitor |
| wmsun | wm-dockapp; shows sunrise/sunset times |
| xearth | set the root window to the image of earth |
| xephem | interactive astronomical ephemeris |
| xphoon | set the root window to the moon in its current phase |
| xworld | earth as seen from the direction of the sun |