ADA design standards and regulations and links to ADA publications can be found here.
"The IDEA Center is dedicated to improving the design of environments and products by making them more usable, safer and appealing to people with a wide range of abilities throughout their life spans." (from web site)
CUD promotes universal design and accessible design in housing,commercial and public facilities, outdoor environments, and products.
Fair Housing Accessibility FIRST is an initiative designed to promote compliance with the Fair Housing Act design and construction requirements for multi-family housing units. The program offers comprehensive and detailed instruction programs, useful online web resources, and a toll-free information line for technical guidance and support.
A national non-profit organization and research center proving education, training, workshops, and consulting services. (from web site)
The Universal Design Alliance (UDA) is a nonprofit committed to creating awareness and expanding the knowledge of universal design for all ages, sizes, and abilities through education, services, and resources. (adapted from website)