OCROBOT HoneyBee platform that integrates an 802.15.4 radio on the board. The radio can be configured to support any 802.15.4-based protocol, including ZigBee, Route Under MAC/6LoWPAN, and RF4CE.
Supports almost all open-source operating system for wireless sensor networks, such as Contiki, TinyOS, Nank-RK, also supports Atmel's BitCloud ZigBee protocol stack.

HoneyBee Contiki Platform and Helloworld