Ally is an accessibility tool consisting of two parts: 1) a reporting tool that evaluates the content in your course for accessibility, and 2) an remediation tool that can improve the accessibility of some course content in some cases.

For more information on this commercial product: https://www.blackboard.com/accessibility/blackboard-ally.html

Vetting of the Ally LTI tool is on hold waiting for a funding sponsor to start the purchasing process.