Unfamiliar with podcast file formats, but how does it differ from typical audio (mp3, wav, etc.) players?
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Hi, I'm an amateur developer from Spain. I have released this desktop podcast client that works on Windows, Mac and Linux.
It's a modest project, but it might be useful for you, it has syncing capabilities with Antennapod, Kasts, Repod or other clients. You can manage your subscriptions, queue episodes and even download them to listen to later.
I look forward to hearing your thoughts.