The Relayr Node.js SDK by Relayr offers an Internet of things platform that can be integrated with existing applications. It features a cloud solution for receiving and saving data from sensors. The current version is 0.3.8.
WalmartLabs has released OneOps, a cloud management and application lifecycle management platform, as open source. OneOps is a multi-cloud application orchestrator that developers can use to quickly develop and launch applications as well as maintain them throughout the entire application lifecycle.
ecobee, a company that provides intelligent energy management solutions, has released the public ecobee API that will make it possible for developers to create new applications that integrate with the functionality of ecobee's Smart Thermostats. The company prides itself on having developed energy solutions that are easy to understand, easy to manage, and ultimately reduce the impact on the environment and save money.