Moodle
- Moodle.org | Main Official Page
https://moodle.org/
Moodle is a Learning Platform or course management system (CMS) - a free Open Source software package designed to help educators create effective online courses based on sound pedagogical principles - MoodleDocs
https://docs.moodle.org
The main source of documentation for all versions of Moodle, includes detailed manuals, user manuals, and admin information