JdeRobot Academy is an open source platform that provides a collection of exercises for learning robotics in a practical way. Its latest documentation (including installation recipes, current available exercises and illustrative videos) is on its webpage. RoboticsAcademy is completely ROS-based, and includes robotics standard tools like Gazebo and Rviz.
If you are a contributor, please note that we use GitHub Pages and a Jekyll theme (MinimalMistakes) for the Academy web page. Feel free to install Jekyll locally, so that, you can test your changes before submitting your pull-request.
curl -s https://raw.githubusercontent.com/JdeRobot/RoboticsAcademy/master/scripts/run_academy.sh | sudo bash
Take a look at the contributing guide lines.