Our Lessons

Please contact us with any general questions.


Our lessons are developed collaboratively on GitHub. You can check the status of each lesson on our dashboard, or look at older releases. Our Curriculum Advisors are part of a team that provides the oversight, vision, and leadership towards lesson development.


All of our lessons are freely available under the Creative Commons - Attribution License. You may re-use and re-mix the material in any way you wish, without asking permission, provided you cite us as the original source (e.g., provide a link back to this website).


If you have questions about contributing to our lessons, visit each lesson's GitHub repo to submit an issue or to get the link to join that lesson's Maintainers' discussion on Slack. For general information on how to contribute to our lessons, see our contributors guide. To learn more about how our lessons are structured, and why, please see the example lesson.

Our Core Lessons in English

LessonSiteRepositoryReferenceInstructor NotesMaintainer(s)