1.. ATutor - calls itself an LCMS - www.atutor.ca. Developed at the University of Toronto.
2.. .LRN http://dotlrn.org/ (open source)
3.. Bazaar http://klaatu.pc.athabascau.ca/cgi-bin/b7/main.pl?rid=1 and at http://sourceforge.net/projects/bazaar/ (open source)
4.. Bodington http://bodington.org/ (open source) Bodington is a UK based, free open source Virtual Learning Environment/Learning Management System in use at Universities and Colleges worldwide.
5.. Caucus (http://www.caucus.com) Caucus is an open source, web-based eLearning and discussion platform. It is used in universities, non-profits, and companies wherever learning, conversation, and coordination must happen together.
6.. Claroline http://www.claroline.net/ (open source)
7.. ClassWeb http://classweb.ucla.edu/ (open source - UCLA)
8.. Colloquia http://www.colloquia.net/ Peer-to-peer groupware. Open source.
i.. Docebo LMS http://www.docebolms.org/doceboCms/ Docebo is an open source e-learning suite that contains an LMS (for online courses), and a CMS (for web portal building). Scorm support.
10.. Dokeos (Dokeos) http://www.dokeos.com. Based in Belgium, Dokeos is an Open Source elearning and course management web application translated in 34 languages and helping more than 1.000 organisations worldwide to manage learning and collaboration activities
11.. Drupal http://drupal.org/ An open source "Content Management System" with communication tools
12.. Elgg http://elgg.net/ Open source learning platform - creating communities of learners
13.. Fle3 http://fle3.uiah.fi/ University of Art and Design, Helsinki, Finland. Open source.
14.. ILIAS http://www.ilias.de/ios/index-e.html University of Cologne Germany. Open source.
15.. LON-CAPA (http://loncapa.msu.edu/) LON-CAPA is an open-source freeware Learning Content Management System, which started in the College of Natural Science at Michigan State University
16.. MAGNOLIA (http://www.magnolia.info) Actually an open source "Content Management Suite" but is used as a Course Management System by the Medical Sciences Division of the University of Oxford, UK.
17.. Moodle (open source) http://www.moodle.org Probably the most popular open source LMS. Developed in Australia by Martin Dougiamas.
18.. Sakai http://www.sakaiproject.org/ (open source) Sakai has taken several other open source initiates under its wing which makes it a strong player.
19.. Whiteboard http://whiteboard.sourceforge.net/ (open source) Regards,