• The World Professional Association for Transgender Health (WPATH)
• Massachusetts Transgender Political Coalition (MTPC)
• Transgender Teen Survival Guide

Australia

• TransHub

France

• Wiki Trans (French)

Netherlands

• Transvisie
• T-Nederland (Dutch)
• Transgender Netwerk (Dutch)

U.S.A

• American Psychological Association (APA)
• Transgender Law Center
• National Center for Transgender Equality
• Gender Analysis
• Gender Spectrum
• Sylvia Rivera Law Project