The document discusses two open-source projects from Intel called Rapid Interface Builder (RIB) and Web Simulator that can be used to develop and debug HTML5 apps. RIB allows quick prototyping of web app UX through a drag-and-drop interface. Web Simulator allows debugging mobile web apps in Chromium by simulating device events and APIs. The document also discusses sample HTML5 apps created by Intel to demonstrate new web technologies and Intel's involvement in web standards.