Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Pretty Good Music Player - Music player that focuses on basics: rock solid music playing.
Video DownloadHelper - Browser extension to download videos from the Web
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
DVDFab Media Player - DVDFab Media Player is a full-featured video player that comes with the support for Blu-Ray, DVD, and HDR10 video support at up to 4K.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.