title: List of observatory software
text: # List of observatory software
  
  The following is a list of astronomical observatory software.
  
  ## Commercial software
  
  * MaximDL
  * XEphem
  
  ## Non-commercial software
  
  * Aladin Sky Atlas
  * Astropy
  * Cartes du Ciel
  * Celestia
  * Google Sky
  * Hallo Northern Sky
  * IRAF
  * Instrument Neutral Distributed Interface
  * KStars
  * NASA World Wind
  * PP3
  * SpaceEngine
  * Space Telescope Science Data Analysis System
  * Starlink Project
  * Stellarium
  * WorldWide Telescope
  