SunClock by Andrea Esuli -- Shows the daylight face of the Earth, the position of the Sun, the position of the Moon & its phase. [freeware - Windows 9x/NT/2k/XP] Visit

Solarark -- Planet2010 high accuracy astronomy software using VSOP87 planetary theory for calculating the positions of all of the planets within our solar system. Software is accurate for years between 1900 & 2100 (commercial - win95,98,NT,win2000,XP). Visit

SKYLab Astronomy Software -- Deep Sky Star Charting & Telescope Control System. [commercial - Win9x/NT/2000/XP] Visit

Jovian Satellite Simulator -- JupSat95 calculates & displays the positions of Jupiter's four Galilean moons. [Shareware Win9x/NT] Visit

LunarPhase Pro -- Lunar observer's toolkit with real time moon simulation including libration. Identify lunar features; zoom, pan & print moon maps; monthly lunar ephemeris; many charts, diagrams & printouts. Visit

Data Services -- from the U.S. Naval Observatory. Online forms provide sunrise, sunset, moonrise, moonset, and twilight times for one day or one year; moon phases, eclipse charts, and data for major solar system bodies & bright stars. Visit

Planisphere -- Displays appropriate sky area on monitor for any date. [Freeware - Windows] Visit

RedShift -- Multimedia desktop planetarium on CD-ROM. [Commercial] Visit

CyberSky -- Displays the stars, constellations, deep sky objects, Sun, Moon, & planets as visible from any location on Earth at any given time, with optional animation. [shareware - Win98/2000/XP/Vista] Visit

Planet's Orbits -- a multi-feature digital orrery. [Shareware - Windows 95/98/ME] Visit

SkyChart -- planetarium program displaying the sky from anywhere on Earth, in the solar system, or in the Milky Way, & for any point in time in the future or past. It supports numerous telescope computer controllers. [commercial, demo available - Win3.1/95/NT, Mac] Visit

EasySky -- Planetarium with orrery, & animation. Commercial, demo available - Win95/98/Me/NT/2000/XP. Visit

Project Pluto -- Desktop planetarium & charting program. [commercial - Dos, Win3.1/95/NT] Visit

Bubba's Bits -- Offers the picoSky cellular telephone planetarium application which runs on most phones that allow Java game downloads. Visit

Deep Space -- observer-oriented star mapping & telescope control software. [commercial, demo available - DOS] Visit

Coeli Astronomy Software -- Complete line of PC astronomy software, including Stella 2000 - talking astronomy suite with encyclopedic reference, logbook, orrery, & planetarium with telescope control. Free astronomy software gifts on offer here. [shareware,freeware,commercial - Win95/98/Me/NT/2000/XP] Visit

Starmap -- Interactive night sky plotter. [freeware - Windows] Visit

The Earth Centered Universe -- planetarium & telescope control program. [shareware - Win3.1/95/98/NT] Visit