The Society for the Scientific Study of Reading is a non-profit organization that promotes the scientific study of reading and disseminates information about reading and related areas such as language and literacy.
The International Dyslexia Association (IDA) is a non-profit organization dedicated to helping individuals with dyslexia, their families and the communities that support them.
LDonline is a general reading disabilities site that has articles about preventing and assisting individuals with reading difficulties.