YouTube

ViewPure.com - Make sure when you show a video to your class, that's all you're showing them! Get rid of the advertisements and comments on a YouTube video - all you need is the link to the video.

Clipping

TubeChop.com - Only want to show 2 minute clip of a 10 minute video? Put the YouTube URL of a video inside TubeChop, and select the part that you want. When you're finished, you are given a link and embed code for the cropped version of the video.

Downloading

Zamzar - Want to work around the district and school filtering sytem? Download the video from home and then view at school after it has been converted...