Mailbrew - Automated email digests from Twitter, Reddit, YouTube & more
Blogtrottr - Track RSS feeds and send updates to your email inbox.
Feedbutler - Subscribe to your RSS feeds directly via email!
BlogInMail - Turn your favorite blogs into a daily digest.
Cortado - Get a personalized selection of the content that matters most to you, delivered right to your inbox every day.
Feed2Mail - Feed2Mail notifies you when your favorite feeds and websites are updated.