Moodle

1. Free Moodle Hosting for Teachers from Global Classroom http://freetech4teachers.blogspot.com/2008/04/free-technology-for-teachers-free_04.html

2. Free Moodle Hosting from Nine Hub http://ninehub.com/

3. Download Moodle Book http://docs.moodle.org/en/Using_Moodle_book