This page searches my database of all of the new fiction and audio drama podcasts. It's very much a work in progress, with tagging of shows always improving. If you want to help, submit your show or update your tagging.
The search runs in boolean mode, eg:
science fiction will give you titles that contain either "science" or "fiction".
+science +fiction will give you results that contain both.
+science -fiction will give results that contain science but don't contain fiction.
* is a wildcard.