There are many free online courses available for Scrum Masters. Here are a few of the best:

• International Scrum Master Foundation (ISMF): This course is 100% free and covers the basics of Scrum, including the Scrum framework, roles, and artifacts. You can also take the free Scrum Master Foundation Exam to earn a certificate.
• Alison: Alison offers a number of free online courses on Scrum, including “Scrum Master Training” and “Mastering Advanced Scrum.” These courses cover a variety of topics, such as the Scrum framework, agile principles, and Scrum ceremonies.
• Coursera: Coursera offers a free online course on Scrum called “Introduction to Scrum Master Profession.” This course covers the basics of Scrum, as well as the skills and qualities of a successful Scrum Master.
• edX: edX offers a free online course on Scrum called “Scrum Master Certification Practice.” This course covers the Scrum framework, roles, and artifacts, and includes practice exams to help you prepare for the PSM I certification exam.
• Master of Project Academy: Master of Project Academy offers a free online course on Scrum called “Free PSM I Training.” This course covers the Scrum framework, roles, and artifacts, and includes practice exams to help you prepare for the PSM I certification exam.

These are just a few of the many free online courses available for Scrum Masters. With a little research, you’re sure to find a course that’s right for you.

In addition to these free courses, there are also many paid online courses available. Paid courses typically offer more in-depth coverage of Scrum and may include additional resources, such as practice exams and coaching.

No matter which route you choose, taking a free or paid online course is a great way to learn about Scrum and become a certified Scrum Master.