Fusebox - A powerful wordpress podcast player
ZCast - Live interactive podcasting with your Twitter followers
Overcast - Video-first asset management for teams
Cosmicast - Cosmicast is a beautiful podcast player app with advanced features that let you listen to your favorite podcasts on the go.
Audioread (formerly Audiblogs) - Audiblogs lets you listen to any web article in your podcast player in an Audible-like voice.
Smart Podcast Player - The best podcast player for serious podcasters