CamStudio
Quick and Fast: The most well-known screen capturing software.
Where to get it: http://camstudio.org/
I use CamStudio for making the Jahshaka tutorials on this blog. I like the program and it’s easy to use.
Tutorials: The Help file is good.
License and Use: Lesser GNU GPL. You may use for commercial and personal stuff. For more info on this GNU GPL version, see http://www.gnu.org/licenses/licenses.html