SphereSim

SphereSim 2.4.2 Alpha

SphereSim is a open source, completely free and cross-platform graphical software project that provides a tool for animating and simulating the movement and behavior of particles in a space. SphereSim2 is a complete rewrite of the original SphereSim...

Starchart

Starchart 3.2.2

Starchart is a software that produces maps of the stars.Introduction and philosophyThere is a sky. There are things in the sky. This program draws maps of things in the sky.The things in the sky include stars, planets, nebulae, clusters of stars, and...

StarPlot

StarPlot 0.95.5

StarPlot is a program for Unix that allows you to view charts of the relative 3-dimensional positions of stars in space.It is free software; the source code for StarPlot is available under the GNU General Public License. Here is a screenshot (click for a...

Stellarium

Stellarium 0.13.3 updated

Stellarium is a multi-platform, freely distributed and open source software project designed from the ground up to act as a complete and comprehensive planetarium application that includes dozens of features that cannot be found on similar products. It...

Stellarium

Stellarium 0.18.1 updated

Stellarium is a multi-platform, freely distributed and open source software project designed from the ground up to act as a complete and comprehensive planetarium application that includes dozens of features that cannot be found on similar products. It...

TerraJ

TerraJ 0.2 Beta

TerraJ is a Java port of fractal terrain and simulated solar system generation programs.The porting has included extensive refactoring, the creation of a documented API to enable reuse of parts in other programs, and extensions such as new Swing user...

WebbPSf

WebbPSf 0.2.8

WebbPSf is a tool that produces simulated PSFs for the James Webb Space Telescope, NASA's next flagship infrared space telescope. WebbPSF can simulate images for any of the four science instruments plus the fine guidance sensor, including both direct...

XEphem

XEphem 3.7.5

XEphem project is a scientific-grade interactive astronomical ephemeris package.Features:computes heliocentric, geocentric and topocentric information for all objects; has built-in support for all planets; the moons of Mars, Jupiter, Saturn, Uranus and...

Xplanet

Xplanet 1.3.0

Xplanet is an open source graphical software written in C++ and designed to act as a solar system simulation game inspired by the Xearth game for Windows operating systems.Xplanet renders an image of the Earth into the X11 root window of your Linux...