TinyOS for Wireless Embedded Sensor Networks

TinyOS is an open-source operating system designed for wireless embedded sensor networks. It features a component-based architecture which enables rapid innovation and implementation while minimizing code size as required by the severe memory constraints inherent in sensor networks.

 TinyOS's component library includes network protocols, distributed services, sensor drivers, and data acquisition tools. An open-source OS for the networked sensor regime.

TinyOS for Wireless Embedded Sensor Networks

TinyOS has been ported to over a dozen platforms and numerous sensor boards. A wide community uses it in simulation to develop and test various algorithms and protocols. - Official TinyOS Website

This is a nice OS for a Distributed Industrial Automation Implementation. Data Logging Systems. It is an open-source operating system designed for wireless embedded sensor networks on a BSD license.

eXtreme Scale Mote

Design of a Wireless Sensor Network Platform for Detecting Rare, Random, and Ephemeral Events

The XSM platform integrates an Atmel ATmega128L microcontroller, a Chipcon CC1000 radio operating at 433MHz, a 4Mbit serial flash memory, infrared, magnetic, acoustic, photo and temperature sensors, weatherproof packaging, a bootloader, and a “Golden Image” program that incorporates system management, network programming, and low-power listening.....