RSL regularly releases open source code on github. The github is as follow:
Kuo-Shih's github: https://github.com/kuoshih
This github releases code of RSL publications and ROS code.
Math and Robotics Lab (MRL) github: https://github.com/NcuMathRoboticsLab
This github releases ROS code of robots (e.g., minibot, Turtlebot3, UAV).