TestSuite
@@Details about Test Suites at W3C. licenses choices, repository, different licenses type@@
W3C Test suites licenses
There are discussions going about the W3C Test Suites licenses. Traditionally, there are two types of licenses which have been used at W3C: Document and Software license.
W3C Test cases contributions
W3C Test suites repositories
The QA Matrix gives links to known test suites for each languages.