Free courses are educational programs that do not require payment for enrollment. They are often offered by various institutions, including universities, online platforms, and non-profit organizations. These courses cover a wide range of subjects, from computer science to art history, allowing learners to explore new topics or enhance their skills without financial barriers. Many free courses are available online, making them accessible to anyone with an internet connection. Platforms like Coursera, edX, and Khan Academy provide a variety of learning materials, including videos, quizzes, and discussion forums. This flexibility enables learners to study at their own pace and convenience.