About seven out of every 10 lines of code in the average application comes from an open-source project. 91% of applications use at least one component that is either outdated by four or more years or has been abandoned. The Internet and software infrastructure sector uses the most open source codebases, 83%, followed by manufacturers of Internet of things (IoT) devices. The most popular open source components are jQuery, Bootstrap, Font Awesome, and Lodash, the report found.”]