[opensource - POSIX] There is a sky. There are things in the sky. This program draws maps of things in the sky.
Freeware for handheld computers to help find and track objects of the night sky.
Reports progress on their small-dish projects. Also provides related resource links. Based in South Carolina, United States.
[open source - multiplatform] A module for performing astronomical computations using the Python scripting language.
[commercial, Win/Mac] CCD camera control and image processing, includes SkyChart III.
Online degree granting program in astronomy offering courses for Master of Science and Graduate Diploma of Science. Based in Melbourne, Australia.
An extensive astronomical learning system. Articles available at three levels: beginner, intermediate, advanced.