Great Downloader easy to use can convert into multiple file formats. Fast and impressive
ServeStream - ServeStream is an open-source application that is intended for HTTP media player streaming, and the media server browser comes with the alluring support for custom online radio and Shoutcast streams.
Video DownloadHelper - Browser extension to download videos from the Web
Knowthelist - Knowthelist - the awesome party music player Easy to use for all party guests
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Song Director - Song Director is a program that plays and keeps track of all your music files.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.