Bigasoft YouTube Downloader Pro for Mac is a tool for ripping and converting YouTube videos. It supports YouTube playlists for batch operations, and converts to MP3, MP4, MOV, MKV, AVI, MPEG, Xvid, DivX, H.264, 3GP, WMV, FLV, MOD, TOD, WTV, and more. It also features volume adjustments, simultaneous download and conversion, actions upon completion, and more.
Kigo Video Downloader for Mac is an all-in-one Web site video downloader and video converter. It makes it possible to download videos from YouTube, Facebook, Vimeo, Veoh, Dailymotion, and more than a thousand other sites, and convert the downloaded videos to almost all of the popular video and audio formats for various video player devices.