In the past, if you wanted to learn something new, you went to school. Today, educational institutions offer their entire programs and individual courses online. Experts in almost every field are creating programs and courses online to share their knowledge with a global audience.

Both educational institutions and individual experts who want to offer their courses online need a place to host them and distribute them to people who want to learn. That’s why there are many platforms dedicated to offering online courses. Some focus on narrower niches like green technology. Others offer courses in various subject areas.

Whatever you want to learn, you can find a course on the educational course websites listed below. From beginner level to intermediate and advanced, there is something for everyone.

Udemy is the online education site that tops this list as a popular and valuable resource. You can search over 190,000 courses across a variety of subjects. Download the Udemy app to take your learning mobile with you for quick lessons and study sessions on the go.