Frameworks are increasingly becoming the de facto standard for web development as well as web design. Framework is a reusable set of libraries or classes used in developing complex software. Microsoft .NET framework, Java Springs framework and entity framework are some of the popular frameworks used in the industry. Creating an appealing UI takes a lot of time and it’s a not a easy task for web developers. This is where jQuery UI dives in. FullCalendar - Full-sized Calendar jQuery Plugin. HTML5 App Development Frameworks for Mobile and Desktop Devices.