XEphem -- Interactive astronomy program for Unix systems with X Windows & Motif. [open source - Unix] Visit

ThatsCatchy.com -- Home of Scorpius 2005 Personal Planetarium which features highly realistic rendering of the night sky & deep space objects based on astronomical photographs. So... Software requires that the Java Runtime Environment be installed. Visit

DeskNite - Live Celestial Wallpaper -- turns your Windows Desktop into the night sky as viewed from your own back yard, no matter what the time or which part of the world you live in. [Freeware - Win95/98/Me/NT/2000] Visit

SkyMap -- a CD-ROM planetarium & star-charting program equally suited to both the casual stargazer & the serious amateur or professional astronomer, even though its feature list will appeal especially to the more advanced user. [Commercial, demo available - Win95/98/NT] Visit

AstroViewer: Quick Orientation in the Night Sky -- The AstroViewer planetarium applet shows a sky map for any time & any location on Earth. Individual printable sky maps (GIF, PDF) may be created. Visit

Lunar Map Pro -- Lunar Map Pro is astronomy software for amateur observers of the Moon. It has over 13000 features with full search data base of all the known craters including NASA Apollo landing sites.[commercial] Visit

HyperSky -- an astronomical data display engine allowing full control over what objects are displayed, with 'hypertext-like' information about those objects. Beginning to show its age. The demo uses a DOS installer which failed to work on this reviewer's system. [commercial, demo available - Win3.1/95] Visit

Planet Finder -- rudimentary display of the planets for any given date. [Java applet] Visit

Hallo Northern Sky -- planetarium program which includes the Tycho-2 & SAC 7.2 catalogues. Can access the GSC CD-ROMs. [Freeware - Win95] Visit

Free Celestial Maps -- rudimentary sky-charting program outputs schematic maps in five projection types, using a small star database or the SAO & PPM. [Freeware DOS/Win95] Visit

Stellarium -- Shows a realistic sky in 3D, just like with the naked eye, binoculars or a telescope. Visit

MegaStar Sky Atlas -- resource for deep-sky observing. [commercial, demo available - Win3.1/95] Visit

Neave Planetarium -- Virtual planetarium customizable by location (latitude & longitude) & time of day. Visit

StarTrax & StarShow -- displays stars, constellations, planets, galaxies, and star clusters, with animations & a screen saver. [Shareware - DOS/Win 3.x] Visit

Dutch Occultation Association -- Free version of Lunar Occultation Workbench ( LOW ). Visit

SkyTools -- Observation planning, charting & logging software. [commercial - Win95/98/NT] Visit

Distant Suns -- Virtual planetarium & merchandise information. [commercial - Windows/Macintosh] Visit

The Sky -- planetarium program showing you the sky on any date, from any place on earth. Has features to benefit a wide range of interest levels, from the beginning hobbyist to the seasoned professional. [commercial, Win98/NT, MacOS] Visit