Below is a list of projects in which groups of individuals from higher education institutions are working collaboratively with vendors toward the shared goal of increasing their products' accessibility for users with disabilities. This is a living document. Please feel free to add additional collaborative projects.
http://collaborate.athenpro.org/
Several collaborations are led by Access Technology Higher Education Network (ATHEN) with logistical support from the Illinois Center for Information Technology Accessibility. Current active collaborations include:
Blackboard
Desire2Learn
Ebsco