- National Association for Pseudoxanthoma Elasticum - Nonprofit US organization dedicated to providing support services and information to those affected by pseudoxanthoma elasticum.
- NORD: Pseudoxanthoma Elasticum - Offers a general discussion and resources for PXE.
- PXE International - A source for pseudoxanthoma elasticum research and worldwide activities.
- The PXE Support Group - PiXiE - UK support group, helping PXE patients and research into the condition.
- VhiHealth-e - A definition of Pseudoxanthoma elasticum followed by a description, causes and symptoms, diagnosis, treatment options, prognosis and prevention.
