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
Explore a wide range of free and certified Forensic science online courses. Find the best Forensic science training programs and enhance your skills today!
Explore the foundations and key findings of positive psychology with its founder, learning research-based skills to increase well-being and flourish throughout life.
Explore the interplay of technology and physics in modern astronomical discoveries, from black holes to dark energy, and learn how cutting-edge tools unlock cosmic secrets.
An introduction to data science with no coding involved.
Learn how computers work, design efficient algorithms, and explore computational theory to solve real-world problems.
Learn to use tools from the Bioconductor project to perform analysis of genomic data. This is the fifth course in the Genomic Big Data Specialization from Johns Hopkins University.
The capstone project class will allow students to create a usable/public data product that can be used to show your skills to potential employers. Projects will be drawn from real-world problems and will be conducted with industry, government, and academ…
This course provides an introduction to the chemistry of biological, inorganic, and organic molecules.
This course focuses on science and technology innovation system, including case studies on energy, computing, advanced manufacturing, and health sectors, with an emphasis on public policy and the federal government's role in that system.
Explore the science of generosity, its impact on well-being, and create a personal giving plan. Learn from experts about motivations, cultural aspects, and benefits of generous acts.
Master Python, SQL, and machine learning fundamentals to build data science skills, create automated solutions, develop interactive dashboards, and implement predictive models for real-world applications.
Master Python data science essentials - from data analysis and visualization to machine learning algorithms. Build predictive models, create interactive dashboards, and automate workflows using NumPy, Pandas, Matplotlib, and scikit-learn.
Master Python programming and data analysis through hands-on projects, from basic syntax to advanced visualization techniques using NumPy, Pandas, and Matplotlib for real-world data exploration.
Master Python programming fundamentals through advanced data science techniques, from data handling to machine learning, using NumPy, Pandas, Matplotlib, and scikit-learn.
Master Java and Python programming fundamentals while preparing for AP Computer Science and exploring data science and machine learning in this live summer program.
Get personalized course recommendations, track subjects and courses with reminders, and more.