A planetarium software that shows a 3D simulation of the night sky
Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
SkyChart is a software to draw chart of the night sky for the amateur astronomer from a bunch of stars and nebulae catalogs. See main web page for full download. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/
Real-time 3D visualization of space
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
The Ground Station Software Suite projects aims at providing free, useful software tools for ham radio operators. Currently, this projects hosts the Grig communication radio control.
The C-Munipack is an astrophotometry software package, which offers a complete solution for reduction of images carried out by CCD or DSLR camera, intended on a observation of variable stars, exoplanets and minor Solar System bodies. It provides a simple and intuitive graphical user interface.
Data Analysis, Simulations and Visualization on the Sphere
Software for pixelization, hierarchical indexation, synthesis, analysis, and visualization of data on the sphere. Please acknowledge HEALPix by quoting the web page http://healpix.sourceforge.net and publication: K.M. Gorski et al., 2005, Ap.J., 622, p.759 Full software documentation available at http://healpix.sf.net/documentation.php Wiki Pages: https://sourceforge.net/p/healpix/wiki/Home GDL users should read https://sourceforge.net/p/healpix/wiki/HEALPix%20and%20GDL/
The PDL module gives standard perl the ability to COMPACTLY store and SPEEDILY manipulate the large N-dimensional data sets that are the bread and butter of scientific computing.
Xplanet is a solar system simulator which calculates accurate positions for the major planets and satellites. It displays multiple bodies, eclipse shadows, and customizable labels and markers.
EQAlign born as a software that assists to align a German Equatorial Mount (GEM) exactly to the Earth polar axis. Today, in adition to polar align feature, EQAlign is a full featured astronomical software.
ORSA is an interactive tool for scientific grade Celestial Mechanics computations. Asteroids, comets, artificial satellites, Solar and extra-Solar planetary systems can be accurately reproduced, simulated, and analyzed.
OpenUniverse is a fun, fast and free space simulator. It currently focusses on the Solar System and lets you visit all of its planets, major moons and a vast collection of smaller bodies in realtime 3D (using OpenGL).
A web atlas using the planetary body renderer, Xplanet. Explore the solar system. Overlay clouds, cities, weather forecasts, and more. Navigate by point and click. Search global databases.
Siril is an astronomical image processing software for Linux.
Siril is an astronomical image processing software for Linux. Dev here is stopped: as of 2013/02, Siril development has moved and is regaining activity here https://free-astro.org/index.php?title=Siril
PHOEBE (Physics Of Eclipsing Binaries): scientific code for full-fledged modeling and analysis of eclipsing binary stars, build on basis of the WD code. It is actively being developed, its official homepage is at: http://phoebe-project.org
Python & NOVAS. Use Python to calculate the position of Sun, Moon, Planets and Stars with unprecedented precision. PyNOVAS can be used by (Amateur) Astronomers, Sailors and other people interested in Celestial Navigation, Astronomy and Astrometry.
Univerx, a Solar System simulator in OpenGL 3D to show planet's translation and rotation. Includes phisical simulation of orbital movement, textured and lighted planet surfaces and customizable interactive view of the model.
Calculate Solunar Tables for any position on earth. Solunar tables are used to predict the best days and times of day to go hunting and fishing.
Talon is a a fully automated open-source solution for automated telescope and observatory control. Talon controls all aspects of robotic astronomical observations, including telescope control, dome control, image processing, scheduled operations, and envi
This project contains two packages. An Orbital Mechanics Study developing the physics equations related with satellite tracking and a libtool C++ library to encapsulate the satellite tracking calculations (gsat).
SkyNET is a sky chart program for .NET
A graphical representation of the night sky for Linux/KDE.
Open source observatory control software
RTS2 is project to create an open source environment for control of a fully autonomous observatory. It is running about dozen fully autonomous observatories. Its modular design allow easily addition of new devices (to already huge supported HW list).
SExtractor (Source-Extractor) is a program that builds a catalogue of objects from an astronomical image. It is particularly oriented towards reduction of large scale galaxy-survey data, but it also performs well on moderately crowded star fields.
A scientific plotting library for C/Fortran built on cairo
A 2D scientific plotting library built on cairo. Provides uniform output to pdf, ps, png and X-Windows. Written in C with no dependencies (other than cairo) as a direct replacement for PGPLOT.
SteelBreeze is a software for data processing of geodetic Very Long Baseline Interferometry (VLBI) observations. It estimates geodynamics parameters (Earth Rotation Parameters (EOP), coordinates of stations and sources, etc.) using Least Square Method.