TeachAids (pronounced /ˌtiːtʃˈeɪdz/) is a nonprofit social enterprise that develops global health education technology products for HIV/AIDS, concussions, and COVID-19, based on an approach invented through research at Stanford University. TeachAids operates globally, with its software in use in more than 80 countries. Its materials are made available for free under a Creative Commons License, funded by sponsorships, grants, and donations. Backers include Barclays, Cigna, Covington & Burling, Google, Microsoft, UNICEF, and Yahoo!.