The following are the links for similar organizations working for differently abled, changing the world of challenged.
http://www.dpsa.org.za/
http://www.pearlsofafrica.org/?gclid=CLrtiIuMypcCFZUtpAodnxHPRw
http://www.handicap-international.us/
http://www.disabled-world.com/artman/publish/access2africa.shtml
www.access2africasafaris.co.za
http://www.sintef.no/Home/Health-Research/Living-Conditions-and-Service-Delivery/Development-aid-projects/Studies-on-living-conditions-/Accessibility-to-health-services-among-people-with-disabilities-in-southern-Africa/
http://www.disabled-world.com/artman/publish/cat_index_29.shtml
http://www.sun.ac.za/index.asp