Camstudio

This software is able to record all screen and audio activity and create industry-standard AVI video files and swf files. camstudio can record your computer's screen and audio activity and generate AVI video files. Use the built-in SWF Producer to turn the avi files into lean, mean, friendly-bandwidth swf files.

Here are some key features of "camstudio":
You can use it to create demonstration videos for any software program.
Or how about creating a set of videos answering your most frequently asked questions?
You can create video tutorials for school or college class.
You can use it to record a recurring problem with your computer so you can show technical support people.
You can use it to create video-based information products you can sell
You can even use it to record new tricks and techniques you discover on your favourite software program, before you forget them .