The Readium.org community is supported by organizations that join the Readium Foundation as members. Member organizations typically use Readium technologies to build solutions. You can participate in a Readium open source project or use Readium technologies without being a member, but membership is an important way to support the community.
Find out more about joining Readium Foundation here.
Current Readium Foundation members are: ACCESS, Adobe, Aerbook, Aptara, Aschehoug,