OER COMMONS                                                     Search, browse, and evaluate resources in OER Commons' growing collection of over 50,000 high-quality OER, including courses, lessons, activities, and textbooks. Create a free account to build OER lessons and materials via the OER Commons system.
MERLOT The MERLOT system provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers.
GALILEO A collection of open educational resources throughout the University System of Georgia, including open textbooks and ancillary materials.
ALABAMA OER COMMONS The Alabama OER Commons is a place for Alabama educators, students, and the general public to find and share free educational resources. 
OPEN ALG terative texts, powerful annotation tools, rich media support, and robust community dialogue, Affordable Learning Georgia's OpenALG transforms static open textbooks into living digital works