IndoDX

Over on Split Screen, I've started a list of YouTube-based tools for creating split-screen media. These are online tools that take as input 2 or more YouTube URLs and give you back a multi-channel mashup in some form.

Source: http://weblog.lossless.net/main/2009/05/youtubebased-tools-for-split-screen.html

This post is an ongoing collection of YouTube-based tools for making split-screen media. These web-based tools allow you to select the YouTube clips that you want to use as part of your own multi-channel mashup.

Source: http://www.splitscreen.us/2009/05/youtubebased-tools-for-split-screen.html

Using these same controls, you can also split your clip into two separate videos by choosing the point of the video that you want to make the cut, and clicking on the scissors icon. This automatically divides the clip and places a new This is a matter of simply dragging the text style of your choosing onto the video itself, choosing a font and then resizing and positioning your text on-screen with a simple bounding box. As a simple way of adding titles to your videos,

Source: http://www.masternewmedia.org/video_internet_television/online-video-editing/youtube-remixer-review-web-video-editing-goes-mainstream-20070619.htm