More Software Like Nautical Almanac

Aciqra

Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars.
Downloads: 102389 - Freeware - Download Now

GrandTour

Accurate, flexible wireframe simulator for the Voyager and Giotto space missions, with animation capability. Developed at JPL for science/navigation, and filmed by the BBC/NOVA. Conveniently runs from any Windows/DOS.
Downloads: 100834 - Freeware - Download Now

Astro-Mania

Astro-Mania is an educational game covering the Universe. It has eight levels and let's you choose what subject area you want to cover. Its great pictures and ease of use makes it not only educational but also fun.
Downloads: 80760 - Shareware - Download Now

Professional Numerologist

Professional numerology software for business and personal use, by renowned numerologist Matthew Oliver Goodwin. This free, fully functional trial version allows you to print reports/charts for yourself.
Downloads: 87216 - Demo - Download Now

Dark Solar System

View a dark energy inside Solar system on your dektop with this screensaver! This screensaver shows all planets of our solar system, uncluding Saturn`s rings. It makes you able to know about dark matter and dark energy in our planet system.
Downloads: 67874 - Freeware - Download Now