Sign language requires high quality video without dropped frames. That is why ooVoo is getting buzz in the deaf community. Here is the free ooVoo download. It works great if you are deaf or just like to see your friends clearly when you chat online.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.