Moodle is a popular open-source learning management system (LMS).  It has been deployed in many universities all around the world.  Moodle has been deployed in settings which has more than tens of thousands of students with impeccable performance.  Moodle has the ability to deliver courses over internet or private networks.  It has the ability to categorize courses, securely register and enroll students, allow teachers to monitor the progress and activity of students, etc.  It natively supports all types of media, including audio, video and flash animations.  Furthermore, courses can be designed using the AICC/SCORM standards, which make the usability of the courses across multiple platforms possible, as well as creating a standard and measured way of presenting courses. 

Moodle can conduct self-assessment as well as other types of examinations.  It supports multiple types of activities including assignments, chats, message boards, WIKI, forums, journals, quiz, glossary, survey, resources and workshops.

Moodle is a secure LMS platform with the ability to define users, groups and roles, integrate with active directory or other directory services.  Moodle is also customizable and modular.  It runs on multiple platforms and supports a variety of languages.