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This paper focuses on the comparison communication tools of six open source learning management systems (LMS). It compares the whiteboard/video services, discussion forums, file exchange/internal mail, online journal mail, and real live chat features of each of the LMS's. There are so many open source LMS out there due to this fact it is a bit tedious looking for a suitable one that will meet the instructors needs. This paper seeks to make it easier for instructors that want to make the best choice when choosing a learning management system by revealing which learning management system has the best communication tools. It also focuses on 6 popular LMS, ATutor, Claroline, Dokeos, Ilias, Moodle, and Sakai. The comparison of the six open source LMSs showed that Moodle and ATutor have the best communication tools with user friendly interface.
Çavuş et al. (2014) studied this question.