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.​

NIH Genetic and Rare Diseases Information Center (GARD) is a public information service funded by the NIH and administered through the National Center for Advancing Translational Sciences (NCATS). Its mission is to provide free, reliable, and understandable information about rare diseases and genetic conditions to patients, caregivers, healthcare professionals, and researchers.