Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Personal Creativity
Entrepreneurship
Instructional Design
Ecology and Wildlife Conservation
The Science of Well-Being
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
by AbdulWahid Muhammad Hussein Al-Harazi
Build, organize, and share your own catalog of courses with Class Central lists.
3 items
Solar Energy Technology
NPTEL via YouTube
44 Reviews
Stanford Seminar - The Solar Industry from the Inside
Stanford University via YouTube
17 Reviews
Solar Photovoltaics - Principles, Technologies and Materials
2 Reviews
Get personalized course recommendations, track subjects and courses with reminders, and more.
