APIs
Digital Podcast Search Service
CCHits API
Mixcloud API
iTunes
iTunes Store Web Service Search API or parse the rss feeds or itune tags in rss feeds like this
Mashups
Last.fm Podcast Finder
Podbop
Podfeed
and more mashup directory here
APIs
Digital Podcast Search Service
CCHits API
Mixcloud API
iTunes
iTunes Store Web Service Search API or parse the rss feeds or itune tags in rss feeds like this
Mashups
Last.fm Podcast Finder
Podbop
Podfeed
and more mashup directory here