PodNova feeds all of your podcasts and videoblogs to which you subscribe to a single feed for easy access. Features include allowing subscribers to share podcast libraries with friends; better search results; new lay-out and redesign of all templates; improved help section; custom audioplayer; and, more use of ajax technology and support for videoblogs.
PodNova is both a free web 2.0 service and a free client application that works with iTunes and several other podcatching software programs. As a web 2.0 service, it provides a method for not only subscribing to podcasts but also sharing those subscriptions via a RSS feed and an OPML file via a web-based interface.
PodNova is free and functions cross-platforms.