Google Video Player is a freeware media player that allows you to watch videos downloaded from Google Video website (video.google.com). The player supports .gvi and .gvp files.
With VideoGet you can easily download YouTube videos. VideoGet also supports downloads from more than 900 other video websites, including popular YouTube, MySpace, Google Video, Yahoo Video, MetaCafe, etc.
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BulletProofSoft Youtube Google Video Grabber 1.0 is a powerful application that allows you to download videos from video sharing websites such as Youtube and Google video in a very short amount of time and with no quality loss at all.
Internet Download Manager can help you accelerate your downloads. It works by creating various threads so that multiple sections (up to 16) of the same file can be downloaded at the same time.
Google Video Uploader allows you to upload your videos to Google Videos. The application is quite simple, but it helps you a lot if you are tired for any reason of the web interface or it just doesn't work for you.