Repod - Podcast discovery is better together
Arvocast - Arvocast is an audio podcast player for mac that operates in the menu bar and supports many popular services like SoundCloud, iTunes, Spotify, and others.
Vox Pods - Podcast discovery app
podStation Podcast Player - A minimalistic chrome extension for subscribing and listening to podcasts.
JRELIST - I've been a big fan of The Joe Rogan Experience Podcast.
Podible - Stream & discover new podcasts