Clicker is a system (Smart Library Management System) for managing the entire facility of the electronic library. It provides facilities such as reading seats, study rooms, multimedia rooms, and lockers through the same interface using all devices such as kiosks, PCs, tablets, and smart phones. It is a system that connects. < Organization > Gyeonggi University of Science and Technology, Gyeongsang National University, Keimyung University, Kaywon University of the Arts, Gongju University, Kumoh