Great Downloader easy to use can convert into multiple file formats. Fast and impressive
SicMu Player - SicMu Player is an application that enables users to play audio files on their devices easily.
Video DownloadHelper - Browser extension to download videos from the Web
Colibri Lossless - A native audio player for macOS built from scratch using the award-winning BASS audio engine.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Muzie - An all in one music streaming service
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.