iPodder

If you want to listen to internet audio programs (podcasts) but can't to when they are scheduled, this program is for you. iPodder is the premier Podcasting application, allowing users to capture and listen to Internet audio programs anytime, anywhere. It allows users to select and download shows and music and to play whenever they want on their iPods, portable digital media players, or computers automatically, after specifying which music or shows they want to listen to.

Requirements:

Mac OS X 10.3