LIMO is an innovative multi-modal，compact，and customizable mobile robot with AI modules and open-source ROS packages, which enables education, researchers, enthusiasts to program and develop AI robots easier. The LIMO has four steering modes including Omni-directional steering, tracked steering, Ackermann and four-wheel differential, in line with strong perception sensors and Nvidia Jetson Nano, making it a better platform to develop more indoor and outdoor industrial applications while learning ROS. A beginner-friendly multi-functional simulation table and rich ROS packages are provided, therefore users can easily develop and validate new functions of AI robots and autonomous driving applications.