Blaubot is a middleware to create small adhoc networks via P2P connections such as Bluetooth-RFCOMM, Adhoc-WiFi or simple socket connections. Blaubot takes care of device discovery and connection establishment with the goal to minimize a developer's boilerplate code to set up these small networks.
An easy parallax View for Android simulating Apple TV App Icons.
SimpleNFC is a project which include insanely easy way of reading NFC data.