Content Licensing:
Creative Commons http://creativecommons.org/education/

Open Source Software:
GPL http://www.gnu.org/copyleft/gpl.html

Legal http://www.softwarefreedom.org/

Student Data interchange:
SIF http://www.sifinfo.org/sif-specification.asp

Virtual Learning Environment:
Moodle http://moodle.org

Instructional Curriculum Standards:
VA SOL’s http://www.pen.k12.va.us/VDOE/Instruction/sol.html

Instructional Content Material Standards:
IMS-LO http://www.imsglobal.org/
SCORM http://www.adlnet.org/scorm/index.cfm

Assessment test item:
IMS-QTI 2.0 http://www.imsglobal.org/question/