There are several platforms and websites that offer free affiliate marketing courses. Here are a few options where you can find some of the best free affiliate marketing courses:

1. HubSpot Academy: HubSpot Academy offers a range of free online courses, including affiliate marketing. Their course covers topics such as creating an affiliate program, recruiting affiliates, and optimizing your program for success.

1. Udemy: Udemy is an online learning platform that offers a mix of free and paid courses. You can find various free affiliate marketing courses on Udemy, taught by different instructors. Make sure to read the course reviews and ratings to choose the most suitable one.

1. Skillshare: Skillshare is another popular online learning platform that provides a selection of free courses on affiliate marketing. These courses are created by industry professionals and cover topics like affiliate program setup, promotional strategies, and maximizing conversions.

1. ClickBank University: ClickBank University offers a free affiliate marketing training course. It covers the basics of affiliate marketing, choosing products to promote, and driving traffic to your affiliate links. The course also includes insights from successful ClickBank affiliates.

1. Coursera: Coursera offers a wide range of online courses from universities and institutions worldwide. While some courses on Coursera require payment, you can filter your search to find free courses on affiliate marketing. These courses provide comprehensive learning materials and are often created by renowned educational institutions.

1. YouTube: YouTube is a valuable resource for free educational content. Many affiliate marketing experts and industry professionals share their knowledge through video tutorials and courses. You can search for specific channels or creators who specialize in affiliate marketing and browse their content.

When selecting a free affiliate marketing course, it’s important to consider the credibility of the source, the relevance of the course content, and the reviews or ratings from previous learners. Remember to supplement your learning with additional resources and practical experience to enhance your understanding and skills in affiliate marketing.