4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
FLAC - A free, open source codec for lossless audio compression and decompression
Video DownloadHelper - Browser extension to download videos from the Web
Opus Interactive Audio Codec - Opus is a totally open, royalty-free, highly versatile audio codec.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Vorbis - Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality...