Kabuu Video Downloader Portable is a multithreaded video and audio downloader for YouTube. You can download 2K, 1080p, 720p, 480p, etc videos with Kabuu Video Downloader. It can download Mp4 and Webm formats and opus and ogg audio formats. You can convert downloaded videos to mp4, webm, mkv, avi and other formats.
Youtube-DL-Gui Portable is a a graphical user interface to download video/audio from youtube, twitch and many other sites. It is powered by youtube-dl. This can be used to download music/audio/videos. You have the options to download entire playlists, download videos and/or audio only. If using the audio only options you are able to encode the audio on the fly to a different codec of your choice or download it directly without re-encoding.