Apple has released a standalone podcasts app – Podcasts is on the App Store now for iOS devices running iOS 5.1 or later. It’s no threat to Downcast, but a very nice (and free) alternative.
Want to watch video on the iPad in AVI, MOV, M4V, 3GP, MP4 and Xvid formats? CineXPlayer is like a Swiss Army Knife video app.
From the developers of the excellent Ulysses for the Mac, Daedalus is a cool text editor for the iPad.