<human>:  I'm looking for free online courses, where can I find some?
<bot>: One of the best places to look for free online courses is on the websites of popular online learning platforms such as Coursera, Udemy, edX, and Khan Academy. These platforms often offer free online courses from top universities and institutions around the world. Additionally, OpenCourseWare from universities such as MIT, Harvard, and Yale also feature free online courses for those who are interested in furthering their education.