CONV. - Convert YouTube video to MP3, GIF or MP4
Bizdownloader - Bizdownloader is Video Downloader website from top social networking websites like Youtube...
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
AVS Video Converter - AVS Video Converter is a handy software for converting to and from major video formats like 4K UHD, MP4, VOB, WMV, 2K QHD, DVD, MPEG4, DCI 4K, MOV, and more.
Yout - YouTube to Mp3 Converter
Prism Video File Converter - Prism Video File Converter is one of the most leading cross-platform software that allows you to convert and compress video files in batches.