BMT InfoNet serves as a leading advocacy organization providing comprehensive support services specifically for transplant recipients and patients with cGVHD. Their programs include professionally facilitated online support groups, 1-on-1 peer mentoring, educational resources, and connections to mental health providers specializing in posttransplant complications.​

GVHD Alliance focuses on raising awareness while connecting patients, caregivers, clinicians, and advocates through unified community initiatives. The organization provides educational resources about symptom monitoring, treatment options, and self-advocacy strategies, emphasizing that most cGVHD symptoms occur after Day 100 posttransplant.​

National Marrow Donor Program (NMDP) Patient Support Center offers free, 1-on-1 support through patient navigators who provide guidance throughout the entire transplant journey. Their services include peer connections, emotional support programs, and assistance with nonmedical needs.​

Know GvHD represents a global education and awareness initiative delivering scientifically accurate information to patients and caregivers. This program provides comprehensive resources about disease management, treatment options, and coping strategies.​

GVHDnow serves as an educational platform connecting patients to support meetings, 1-on-1 mentor services, and opportunities to communicate with others experiencing similar challenges. The organization also provides information about financial assistance and clinical trial opportunities.​