AntennaPod – The Open Podcast Player
Source-code: https://github.com/AntennaPod/AntennaPod
audiobookshelf
Self-hosted audiobook and podcast server
Castopod - Podcast Host
Castopod is a free and open-source hosting platform made for podcasters. Engage and interact with your audience whilst keeping control over your content.
podStation RSS
gPodder
Poddr - Podcasts for desktop
Poddr is a free podcast player for Windows, Mac and Linux.