The Estimote Android SDK by Estimote is the official Java implementation by Estimote. The Estimote API provides support to Estimote's beacon sensor technology for micro-location and contextual awareness applications.
TomTom has added another API to its mapping and navigation solutions portfolio: Traffic Stats API. Traffic Stats collects data from over 450 million connected devices in order to provide historical traffic data. The data collected includes speed, route, travel time, segment, and more.
Samsung and the Tizen Association recently made the Tizen Software Development Kit for Wearables available from the Tizen developer web site. The SDK supports any wearable running Samsung's Tizen operating system, but that's an extremely limited number of devices at the moment, with just the Samsung Gear 2 and Gear 2 Neo smartwatches filling the space.
Google has just announced that over 40 new metrics and dimensions have been added to the Google Analytics API. The new data points can be queried using the Core Reporting API and allow developers to create reports similar to those found in the Google Analytics Web interface.