Podcasts are big business. We see celebrities, influencers, journalists, academics, one man and his dog owning a microphone and mixing desk produce regular podcast shows. The quality is variable. Some are truly awesome, others are strictly an acquired taste. Podcasts are a great way of keeping up to date with the latest news, reviews, banter, gossip, to deepen your understanding of the world we live in, and much more. For this week???s Raspberry Pi 4 (RPI4) blog, I've examined the position of 5 top open source podcast tools, from an RPI4 perspective.