aTube Catcher - aTube Catcher also can burn in DVD/VCD your videos without use any other third party software.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
streamWriter - streamWriter records music broadcasted by internet-radiostations. Features:
Replay Media Catcher - Downloads streaming video and audio files from thousands of sites.
Jaksta - Get great Video, Music and Radio downloaders and converters for your Windows PC and Apple Mac. Jaksta recorders are easy to use and fast!
TubeMaster++ - Download TubeMaster++ - Download videos and audio files from streaming websites, as well as convert them to multiple other formats or use profiles tailored for several devices