aTube Catcher - aTube Catcher also can burn in DVD/VCD your videos without use any other third party software.
YoutubeMultiDownloader - Just like its name YouTube Multi Downloader, it is an online website for downloading the videos of downloading without using any video download and accelerator.
WebVideoCap - WebVideoCap is a very small program that will let you save the .
KeepVid - A free web application that allows you to download videos
RTMPExplorer - RTMPExplorer is a GUI for RTMPDump.
ShareTube - Watch YouTube, synced with friends.