The Constellations and their Stars  
   Listings with information, images, sky charts, references, resources, and links.
   http://www.astro.wisc.edu/~dolan/constellations/

Solar System Simulator  
   Collection of planetary and star maps.
   http://maps.jpl.nasa.gov/

MyStarsLive  
   MyStars for Windows software to construct for any city.
   http://www.mystarslive.com/

SkyMaps  
   Maps of the night sky for northern and southern hemispheres, designed to be printed and used, and updated each month.
   http://skymaps.com/

SolStation  
   On-line interactive 3D maps including software and support.
   http://www.solstation.com

Star Gazer Guide  
   View a star map for any date, time and latitude, then click on stars for detailed information.
   http://www.outerbody.com/stargazer/

Star Maps  
   Star maps generated for any city.
   http://starmap.causeway.co.uk/

3-D Starmaps  
   An attempt to assist science fiction fans and authors of science fiction novels who lack the knowledge to construct maps.
   http://www.projectrho.com/starmap.html

Out of This World - The Golden Age of the Celestial Atlas  
   An exhibition of rare books from the collection of the Linda Hall Library.
   http://www.lindahall.org/pubserv/hos/stars/welcome2.htm

Virtual Sky  
   A portal to multiple representations of the night sky, including a high-resolution (1 second/pixel) optical survey of the Northern sky and the Uranometria engravings from 1603.
   http://virtualsky.org

Welcome into the Dome  
   Online planetarium showing views of the stars and constellations at different latitudes and different dates.
   http://domeofthesky.com/foyer.html

Solar System Live  
   Interactive Orrery of the web with links to other software.
   http://www.fourmilab.ch/solar/

Your Sky  
   Interactive planetarium that can produce maps for any time and date, viewpoint, and observing location
   http://www.fourmilab.to/yoursky/

Sky Maps  
   Designed for various parts of the United States and updated weekly.
   http://www.theskytonight.com/localsky.htm