Resources for the Internet of Things

Whether you refer to it as The Internet of Things, the Sensor Revolution, or the Programmable World, here are some potentially useful resources:

• OpenRemote
• SmartThings - Developers and Store
• MakerSwarm
• RaZberry - Z-wave for Raspberry Pi
• Nimbits
• ioBridge - complete stack 
• NinjaBlocks - sensors, devices, and programmable hub
• Limitless LED - programmable lights
• WEMO - Belkin home automation devices
• Alyt - Android-based home security and automation hub & devices

Microcontrollers & Systems on a Chip

• TinkerForge - Stackable, programmable boards.  Appears to be simpler than Arduino in many ways.
• Arduino - Everyone's favorite open-source microcontroller
• BeagleBone Black
• Raspberry Pi
• Galago -
• Intel Galileo - open-source board from Intel

I will try to expand this list over time.  If you have more, please add them in the comments.  Thanks!