astronomy

• kstars
  KStars is a Desktop Planetarium for KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at anydate and time. The display includes 40,000 stars, 13,000 deep...
  
• Celestia
  Celestia is a real-time space simulation that lets you experience our universe in three dimensions. Unlike most planetarium software, Celestia doesn't confine you to the surface of the Earth. You can...
  
• Sun Clock
  This program is a clock that shows which portion of the Earth's surface is illuminated by the Sun. There is a large choice of vector fully scalable maps. Sun Clock has an unique range of options incl...
  
• Planets 3D
  A graphical tool for the simulation of the solar system, based on gravity power calculations. ...
  
• Stellarium
  Stellarium is a free software available for Windows, Linux/Unix and MacOSX. It renders 3D photo-realistic skies in real time. With stellarium, you really see what you can see with your eyes, binocula...
  
• Ksetiwatch
  Ksetiwatch is a monitoring tool for the SETI@home distributed computing project. ...
  
• Nightfall
  Nightfall can produce animated views of eclipsing binary stars, calculate synthetic lightcurves and radial velocity curves, and eventually determine the best-fit model for a given set of observationa...
  
• Xplanet
  Xplanet renders an image of the earth into the X root window. All of the major planets and most satellites can be drawn, similar to the Solar System Simulator. Objects are time tracked. A number of d...
  
• Sky Charts
  This program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown. ...
  
• Xplns
  Xplns reproduces real starry sky on your display of X Window System. It calculates the position of many celestial objects (stars, galaxies, nebulae, constellations, planets, comets, etc.) very accura...
  
• Skylendar
  Astrology software for Linux/KDE3. ...
  
• SETIState
  SETIState is a terminal based Perl/Curses application for tracking the progress of one or more SETI@home client(s) running on networked computers. It is very light-weight and easy to configure. ...
  
• ORSA
  ORSA is an interactive tool for scientific grade Celestial Mechanics computations. Asteroids, comets, Solar, and extra-Solar planetary systems can be accurately reproduced, simulated, and analyzed. ...
  
• skyviewer
  skyviewer is an OpenGL-based program to display HEALPix-based skymaps, saved in FITS format files. ...
  
• XEphem
  XEphem is a free interactive astronomy program for UNIX systems with X & Motif. ...
  
• StarPlot
  StarPlot is a GTK-based program, written in C++,which can be used interactively to viewthree-dimensional perspective charts of stars. ...
  
• PP3
  PP3 creates celestial charts. It generates resolution-independent maps of very high graphical quality. They can be used, for example, as illustrations in books or on Web pages. It is possible to chan...
  
• INDI
  INDI is an instrument-neutral distributed interface control protocol that aims to provide backend driver support and automation for a wide range of astronomical devices (telescopes, focusers, CCDs...
  
• spiderd
  spiderd is a multi-threading telescope motion control daemon within the Nova project. ...
  
• SaVi
  SaVi is satellite visualization software that lets you create, run, examine, and modify satellite orbits in two and three dimensions. Simulations of Iridium, Teledesic, Globalstar, GPS, and other sat...
  
• PyNOVAS
  PyNOVAS allows you to calculate the position and movement of the sun, moon, planets, and stars with great precision using Python. ...
  
• PyEphem
  PyEphem provides scientific-grade astronomical computations for the Python programming language. Given an arbitrary date and location on Earth, it can compute the positions of the sun, moon, and plan...
  
• Planet Finder
  Planet Finder is an applet that shows a map of the whole sky, indicating the positions of the sun, moon, stars, and planets. You can choose any date and time, and any location on the earth from which...
  

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