You can search for podcasts (it uses gpodder, a sweet libre web service that has an easy API for searching)
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You can paste your own podcast RSS feed to generate a list, e.g
https://pod.cedarcedar.com/podcast?url=https://blogs.fangraphs.com/feed/effectively-wild/
where
https://blogs.fangraphs.com/feed/effectively-wild/
is the url to the RSS feed for your podcast!
Or you can clone this repo and edit your own list of faves.