This is a beta version of migrating these workshop materials to a new platform. If you run into issues please file an issue or click on the edit link above and submit a pull request. You can use the previous version of the workshop materials as a fallback.
Start with the http://iiif.io site for the latest.
The Awesome IIIF list includes lots of pointers to other resources.
If you can’t find something, please do reach out to the community.