iTunes by Apple Inc. is a media player and a library, as well as an internet radio broadcaster, file manager, and a store where users can browse and buy different types of apps and entertainment products like movies and songs.
Juice is a free software licensed under the GPL (open source) that allows you to listen to internet audio programs at any time. It’s a podcast receiver that enables you to capture and listen to your favorite podcasts.
VLC Media Player is a free and open source cross-platform multimedia player that plays a wide range of media formats such as mkv, mp4, and flv among others. It supports the playback of discs, devices, and network streaming protocols.
Podcast Republic is a podcast manager that lets you enjoy audio and video contents. This app allows you to organize your favorite podcasts in a list and includes a tool to download podcasts to play them offline.