SpeedBit Video Accelerator accelerates videos eliminating buffering of YouTube and 150 sites including: Break, Yahoo Video, Facebook, AOL Video, Dailymotion, MySpace, Metacafe, ABC, CNN, ESPN, msnbc, Veoh, Heavy, and many more!
Leawo Free Video Accelerator is both video accelerator and video downloader, with which, you easily speed up video plackback and video downloading from YouTube and other video sharing sites.
PPLive Video Accelerator (PPVA) is a free program designed to help you watch video sites content seamlessly, without annoying pauses caused by the slowly loading buffer.Discontinued
The website and the app are no longer available. Last version, 0.5.0.0055, was released on 2010. It can be still downloaded from Wayback Machine.