LearnPress plugin which is developed by ThimPress is a comprehensive WordPress LMS plugin for WordPress. LearnPress plugin can be used to easily create online courses and sell them online. Each course curriculum can be made with lessons & quizzes which can be managed with easy-to-use user interface.
You can download the LearnPress plugin and free add-ons from the WordPress repository. You can download the premium add-ons of the LearnPress plugin from this page.