Information taken directly from: http://www.technologybitsbytesnibbles.info/
Freescreencast
Free software that lets you record your screen, capture audio, control the cursor, and export to FLV format. You can then upload to FreeScreencast.com for free hosting (no file size or resolution limits) and sharing.
Screentoaster
ScreenToaster is a free web-based screen recorder designed to capture your screen activity, audio and webcam images in real-time then publish and share your video in blogs and websites.ScreenToaster works in all browsers and doesn’t require any download so that you can use it anywhere, anytime.
Screencast O matic 
It’s like an online tool which you don’t have to download anything.You just click the Create Button and a box appears which works with Java and you adjust the screen area to start recording as you see in the below screen shot.you can send the recorded file directly to through hosting.Screen jelly
A free web-based utility that lets you record your screen and audio for up to three minutes, then send it out to Twitter or in an email.
Screenr
A free web-based tool for Windows or Mac that lets you create screencasts without installing any software. Your screencast is published in high-definition Flash format, and can be shared on Twitter, YouTube or anywhere else on the web. Screenr is made by Articulate, the makers of Articulate Studio.
