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.

Erasmus University Rotterdam
Skills you'll gain: Security Management, Intelligence Collection and Analysis, International Relations, Public Safety and National Security, Safety and Security, Risk Management, Cybersecurity, Governance, Cultural Diversity, Economics, Policy, and Social Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ideation, Entrepreneurship, Innovation, Creativity, B2B Sales, Sales, Business Planning, Business Strategy, Business Development, Self-Awareness, Global Marketing, Human Resources, Fundraising and Crowdsourcing, Financial Analysis, Cash Management, Recruitment, Team Building
Beginner · Course · 1 - 4 Weeks
Curtis Institute of Music
Skills you'll gain: Classical Music, Music Theory, Musical Composition, Music History, Music Performance
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Health Promotion, Health Education, Health And Wellness Coaching, Nutrition and Diet, Public Health, Behavioral Health, Social Determinants Of Health, Community Health, Mental Health, Behavioral Economics, Physical Therapy, Goal Setting
Beginner · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Critical Thinking, Analytical Skills, Writing, Research, Higher Education, Complex Problem Solving
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Energy and Utilities, Radiation Protection, Waste Minimization, Process Engineering, Materials science, Chemical Engineering, Manufacturing Processes, Engineering Design Process, Mechanical Engineering, Engineering Calculations, Control Systems, Environmental Engineering, Cost Estimation, Chemistry, Environment and Resource Management, Natural Resource Management, Safety Standards, Mathematical Modeling, Simulation and Simulation Software
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Cash Flows, Financial Statements, Financial Accounting, Depreciation, Fixed Asset, Equities, Financial Analysis, Financial Reporting, Balance Sheet, Accrual Accounting, Market Liquidity, Loans
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Prompt Engineering, Data Ethics, ChatGPT, Responsible AI, AI Personalization, Student Engagement, Generative AI Agents, Generative AI, Ethical Standards And Conduct, Education Software and Technology, Artificial Intelligence, Digital pedagogy, Teaching, Instructional Strategies
Beginner · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Political Sciences, Environmental Science, Environmental Policy, Environmental Issue, Social Studies, Sustainable Development, Public Policies, European History, Governance, Economics
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Computer-Aided Design, Mechanical Design, Wiring Diagram, Electrical Engineering, 3D Modeling, Electronics, Electronic Components, Simulations, Design Specifications, Open Source Technology
Beginner · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Graphic and Visual Design, Usability Testing, User Interface (UI) Design, Design, Experimentation, Interaction Design, Human Computer Interaction, User Experience Design, Prototyping, Design Elements And Principles, Layout Design, Human Centered Design, Web Design and Development, Typography, Design Research, A/B Testing
Beginner · Course · 1 - 4 Weeks

Universidade Estadual de Campinas
Skills you'll gain: Oral Comprehension, Language Competency, Literacy, Vocabulary, Culture, Language Learning, Cultural Diversity, Intercultural Competence, Cultural Sensitivity, Grammar
Advanced · Course · 1 - 3 Months