ShareAccount - Share your account without giving out your password
Future Me - Send an email to your future self
HideMyFaceTime - Stop watching your own face during FaceTime calls.
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
Wing-project.org - WING - Wireless Mesh Network for Next-Generation Internet
Letter to Yourself - Send a physical letter to your future self