The official Retsly Node.js SDK by Retsly calls the Retsly API which provides access to Retsly's real state backend. It can be used to build robust realtime applications without a database. Currently, this is SDK version 2.
Apple revealed its intent to enter the healthcare market by adding two new components to iOS: Health, a separate companion app, and HealthKit, a hub for third-party apps related to health and well-being. Health is Apple's own application meant to help iPhone and iPad owners keep track of their health and fitness statistics, such as calories burned, weight fluctuations, and sleep patterns. HealthKit is for developers - who need to be careful about staying on the right side of the law when it comes to the privacy of healthcare information.