In the spirit of the open source movement, new copyright-friendly (and some copyleft) archives are emerging, removing many of the legal and ethical thorns relating to image use in student production. In addition, a number of government image archives provide their archives with limited restrictions.
This Directory contains over 2,600 tools for learning in two main sections:
1. for creating, delivering and managing learning and performance support solutions
2. for personal learning and productivity, for sharing resources, as well as group collaboration (also includes some enterprise tools)
The tools in this Directory are both freeware/open source and commercial.
This page lists a variety of "free" software. Truly free and open source software is marked with an asterisk. Items without asterisks are no-cost proprietary software
The Visual Understanding Environment (VUE) is an Open Source project based at Tufts University. The VUE project is focused on creating flexible tools for managing and integrating digital resources in support of teaching, learning and research. VUE provides a flexible visual environment for structuring, presenting, and sharing digital information.
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
It is being used in planetarium projectors. Just set your coordinates and go.