"This is a prototype interface designed for the Boston Desegregation Archive: Annotated Case Law and Digital Reference project, a collaboration between the Boston Research Center, University Libraries, and NuLawLab at Northeastern University."

"The Citing Slavery Project provides a database of slave cases and the modern cases that continue to cite them as precedent."

The Constitution Annotated by Library of Congress uses the CAP API by linking to cases in footnotes and annotations.

Case Recommendation System by Minna Fingerhood.

BuzzyCite is a third-party web application that uses the CAP API to help people search cases and create and save citations for use in documents.