Great Downloader easy to use can convert into multiple file formats. Fast and impressive
oDownloader - Youtube Mp4 Downloader Online, Youtube to MP3 320kbps Converter Online Free. Youtube Playlist Downloader Online, YT to mp4 Downloader online for Android and iPhone, Youtube videos cropper online
Video DownloadHelper - Browser extension to download videos from the Web
YouTubeGet - YouTubeGet is an in with no reservations one programming intended to make snappy and simple work to download YouTube recordings and change over them.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Online video converter - Video conversion tool to convert a video link or file to various formats.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.