Clear Sky Institute - A company that creates astronomy software for Linux and Unix, particularly XEphem. LinuxAstro - Mailing list for porting astronomical software to Linux. AstroMake - A utility to make installations of some common astronomical packages easy. IRAF Project Home Page - Software system for the reduction and analysis of astronomical data. Linux for Astronomy - Compilation of Linux astronomy software into distributable CD-ROMs. Distro Astro - A Linux-based operating system for astronomy. Linuxastronomy.org - A collaborative project to create a remote controlled telescope using Linux-based tools. SourceForge - Linux Astronomy Open Source Software - Linux Astronomy Software from SourceForge.net Moore Observatory Software Resources - Astronomical software developed by Moore Observatory. Digital Universe - Software from the Hayden Planetarium of the American Museum of Natural History. Linux Astronomy How-To - Tips and resources to use Linux solutions in Astronomy. ESO - The Scisoft Software Collection - Compilation of astronomy software used by the European Southern Observatory. Astronomical Software - Specific list of software for use by the astronomy community. NASA FTools - A general package of software to manipulate FITS files. Open Source Astronomy for Linux - A project to create CD-ROMs containing astronomy software for Linux. Astropy - A community Python library for astronomy.