Most Viewed

Name Description
Stellarium real-time photo-realistic sky generator
KStars desktop planetarium for KDE
Kalzium periodic table and chemistry tools
Chemtool chemical structures drawing program
GPeriodic periodic table application
Light Speed Shows how objects moving at relativistic speeds look like
OpenUniverse 3D Universe Simulator
XEphem scientific-grade interactive astronomical ephemeris software
Celestia real-time visual space simulation
Planets Gravitation simulation of planetary bodies
XTide provides tide and current predictions
Xplanet planetary body renderer
Sunclock fancy clock showing time and geographical data
Stars star map program that draws the night sky
SpaceChart Star map viewer and navigator
StarPlot 3-dimensional perspective star map viewer