The project can be found on github including a fully documented symbol index and a getting started tutorial.
As of September 2014, Ratify is on Quicklisp.
Ratify is licensed under the Artistic License 2.0.
Ratify
Ratify is a collection of utilities to perform validation checks and parsing. The main intention of usage for this is in web-applications in order to check form inputs for correctness and automatically parse them into their proper representations or return meaningful errors.