- AstroEvents - Listing of celestial events good for viewing including planetary, lunar, eclipses, and meteor showers.
- Astronomical Sky Calendar - Program that when given a particular date generates information, the Julian date, sun rise and set times, moon rise and set times, and percent illumination.
- Clear Sky Clock - Graphical short-term predictions of seeing related weather conditions at a large number of sites in North America.
- Moonstick Information Site - A slide rule moon phase calendar determines the phases for any date, past (8000 years), present, or future.
- Observing - The sky at a glance, highlights, sky chart, and gallery from Sky and Telescope Magazine.
- Que Tal - Month at-a-glance, what's up, planet watch, phases and encounters sun watch, and star maps and charts.
- Sky Calendars - Static versions for Mauna Kea for the years 1998 through 2004.
- Sky Events - Asteroid, comet, deep sky object, earth, meteor shower, moon, planet, and sun provided by Astronomy Magazine.
- Sky Watch - The sky, moon phase, and sky chart by month.
- SkyEye - A calendar of celestial events by the appropriate month.
- SkyWatch - Sends subscribers a daily email on astronomical events such as satellite passes and meteor showers.
- Starmanjer's Sidewalk Stargazing - Simple guide to the night sky. Updated monthly sections on the Moon, Planets and Stars.
- The Natural Year - Circular Almanac - Daily weather averages and astronomical information.
- The Night Sky This Week - Provides updated weekly information about the night sky, including specific planetary locations and details on the most important asteroids, comets, and meteor showers.
- The Solar Almanac - Monthly events customizable for different locations.
