teachers can load materials into iTunesU with simply an Apple ID. This blog post is a guide on how to do that. iTunesU could work as a content repository.
Cute and creative voice recording program available on iTunes or online. Allows you to edit the sound of a 30 second voice recording by raising pitch of the voice, lowering it, changing accents, etc. Embeddable in your website, creates a URL and can be emailed to teachers, tweet, and more. Fun! Could be used for any voice recording needs, oral assessments, etc. Any age group, any lesson topic.