TubeLister - Generate a YouTube playlist from your opened tabs.
Kobo Audiobooks - Experience the joy of being told a story
DiskyT - Youtube playlists done right
Prologue - Audiobook player on iOS for Audiobooks hosted on a Plex media server
OrganizeTube - Create video playlists from Youtube, Vimeo and other sources
Scribd Audiobooks - Unlimited access to 30,000 audiobooks