Great Downloader easy to use can convert into multiple file formats. Fast and impressive
GoAnimate - Make your own animation quickly and economically with GoAnimate. Reach prospects and customers with animated videos online about your business and products.
Video DownloadHelper - Browser extension to download videos from the Web
Animaker - Animaker is an online do-it-yourself (#DIY) animation video maker that brings studio quality presentations within everyone's reach. Animated Videos, Done Right!
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.