Video recording software

I want to make small tutorial video’s and i want to record what im doin (incl. sound) and render it to .avi files.
does anybody knows a software that can do that?
any help will be appriciated
Answer #1
Try SnagIT, and it does more than just record onscreen videos, a very good tool.
Answer #2
That was quick
thnx!!!
Answer #3
Try also Camtasia. Search in the Appz section.