Great Downloader easy to use can convert into multiple file formats. Fast and impressive
YouTube - Our mission is to give everyone a voice and show them the world.
Video DownloadHelper - Browser extension to download videos from the Web
Vimeo - Vimeo is a social media app that lets you share and capture videos. You can watch new videos in a variety of different categories, and you can share your own content right from your device. Read more about Vimeo.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
MistServer - MistServer is a lightweight, open-source multistandard multimedia server.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.