Frequently Asked Questions

Yes! The work on this site is subject to a Creative Commons Attribution 4.0 license, except where otherwise noted.

We love hearing what additional resources people need, and attempt to accommodate requests for new content where possible. Please email us at for more.

We are accepting contributions that align with our content roadmap. Email and we’ll be in touch to discuss the material you wish to contribute, and determine how it might fit in with materials currently being developed.