This Swift SDK integrates the Licensed Content Protection module with applications. The latest version is 1.1.1. Readium provides technology designed to accelerate the adoption of EPUB 3 and the Open Web Platform by the Digital Publishing Industry.
Flexpaper is an open source document viewer--and it is beautiful. The Flexpaper API lets you incorporate your publications into other applications. Flexpaper works on virtually any device and is, no surprise here, flexible. It can display in HTML, HTML5, Adobe Flash or any combination of these.
Google has announced that Google Analytics now features a new service, the Google AMP Client ID API. The new API makes it possible for developers to analyze user experience across AMP and non-AMP pages, and provides metrics such as bounce rate, session duration, and pages per session.