HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Universitat de Barcelona
Skills you'll gain: European History, World History, Art History, Research, Investigation, Cultural Diversity, Anthropology
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Integral Calculus, Engineering Calculations, Calculus, Engineering Analysis, electromagnetics, Engineering, Geometry, Advanced Mathematics, Mechanical Engineering, Applied Mathematics, Mechanics, Electrical Engineering, Physics, Derivatives
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Statistical Inference, Statistical Methods, Statistics, Probability, Probability Distribution, Statistical Analysis, Biostatistics, Statistical Hypothesis Testing
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Arithmetic, Mathematical Modeling, Applied Mathematics, Graphing, Probability & Statistics
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Mathematical Modeling, Applied Mathematics, Calculus, Vibrations, Mechanics
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Storytelling, Ethical Standards And Conduct, Liberal Arts, Research, Social Studies, Writing and Editing, Creativity
Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Civil Procedures, Civil Law, Commercial Laws, Lawsuits, Court Systems, Legal Proceedings, Legal Strategy, Legal Research, Case Law, Law, Regulation, and Compliance, Criminal Investigation and Forensics, Case Studies, Governance
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Scientific Methods, Creative Thinking, Research, Critical Thinking, Independent Thinking, Social Sciences, Decision Making, Analysis, Dealing With Ambiguity, Cultural Diversity, World History
Mixed · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Electrical Safety, Electrical Systems, High Voltage, Simulations, Electronic Components, Safety Standards, Estimation, Control Systems, Basic Electrical Systems, Thermal Management, Mathematical Modeling, Power Electronics, Electrical Power, Failure Analysis, Probability, Electrical Engineering, Energy and Utilities, Model Evaluation, Simulation and Simulation Software, Machine Learning Methods
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Council on Foreign Relations
Skills you'll gain: International Relations, World History, Political Sciences, Social Sciences, Socioeconomics, Culture, Public Policies, Policy Analysis, Strategic Decision-Making, Economics, Governance, Analysis
Beginner · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Instrumental Music, Music Performance
Mixed · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Databases, Relational Databases, Data Integration, Database Management, Data Entry, SQL Server Integration Services (SSIS), Data Import/Export, Geographic Information Systems, Software Installation, Wealth Management
Intermediate · Course · 1 - 4 Weeks