More Software Like Nautical Almanac 2014

Orbit Xplorer

Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Easily create, run, print and save a simulation. Includes 29 premade simulations with activities page in html-format.

2011 Nautical Almanac

Complete 2011 Nautical Almanac in pdf format. Includes monthly star charts with the planet's positions.

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.