Circumcision Independent Reference and Commentary Service (CIRCS)
- Full texts of scientific and medical references about circumcision.
- http://www.circs.org/

Circumcision Information Australia
- Advocacy site opposing circumcision and genital mutilation.
- http://www.circinfo.org/

International Circumcision Information Reference Centre
- Presents extracts and articles from medical journals and scientific papers, with the aim of assisting with informed decisions. Also features personal accounts and legal information.
- http://www.circinfo.com

CIRP: Circumcision Information and Resource Pages
- Contains medical, legal, historical, ethical, religious and human rights references. Resources for parents and educators including anatomy, circumcision methods, and foreskin restoration.
- http://www.cirp.org/