Useful tools for video/audio/screen recorder

Below are few useful tools that you can use for audio/video recording, Screen capturing etc.., Especially these will be very much useful for recording the content of your screen with audio to produce recorded format of DEMO. Recommended for use in Windows.

Best:-

http://camstudio.org/

Other options:-

http://www.totalrecorder.com/

http://www.techsmith.com/

http://www.screencast-o-matic.com/