Young Sibs www.youngsibs.org.uk
Online support service for siblings aged 6 – 18. It has information about different conditions and strategies for coping. It also has a letters section for siblings to receive personalised responses to their questions, and a safe online chat area for siblings to talk to other siblings under 18.
Sibs also has support for adult siblings www.sibs.org.uk/support-for-adult-siblings
They run a moderated online support and discussion forum for siblings of disabled people aged 18 or over.