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.

Skills you'll gain: Data Visualization, Generative AI, Matplotlib, Data Literacy, Prompt Engineering, Power BI, Excel Formulas, Microsoft Excel, Plotly, Plot (Graphics), Data Ethics, Data Presentation, Pivot Tables And Charts, Data Visualization Software, Generative Model Architectures, Data Analysis, Statistical Analysis, Scientific Visualization, Microsoft Copilot, Data Cleansing
★ 4.3 (664) · Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Musical Composition, Music Theory, Music, Instrumental Music, Music History, Classical Music, World Music, Creativity
★ 4.6 (79) · Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Strategic Leadership, Strategic Decision-Making, Organizational Change, Business Leadership, Change Management, Strategic Thinking, Business Transformation, Organizational Strategy, Generative AI, Analysis, Leadership and Management, Customer Insights, Organizational Leadership, Leadership, Decision Support Systems, Data Synthesis, Business Analysis, Leadership Development, Team Leadership, Cross-Functional Team Leadership
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Electrical Systems, Electrical Power, Model Based Systems Engineering, Electric Power Systems, Climate Change Mitigation, Energy and Utilities, Environmental Issue, Engineering Software
★ 4.9 (22) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Google Gemini, Retrieval-Augmented Generation, Responsible AI, Generative AI, Google Workspace, Google Cloud Platform, Gemini, Generative Model Architectures, AI Product Strategy, Prompt Patterns, AI Enablement, AI Security, Agentic Workflows, AI literacy, Prompt Engineering Tools, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.7 (1.3K) · Beginner · Professional Certificate · 3 - 6 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Design Software, Materials science, Verification And Validation, System Configuration, Data Import/Export
★ 4.8 (68) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Land Development, Landscape Architecture, Environmental Science, Sustainable Systems, Sustainable Development, Environment, Case Studies, Community Development, Public Works, Sustainable Design, Sustainable Architecture, Environment and Resource Management, Natural Resource Management, Land Management, Social Studies, Economic Development
★ 4.7 (93) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Climate Change Adaptation, Health Disparities, Health Equity, Design Thinking, Environmental Issue, Ethical Standards And Conduct, Initiative and Leadership, Advocacy, Community Organizing, Leadership, Sustainable Systems, Leadership Development, Social Determinants Of Health, Personal Development, Health Education, Community Health, Climate Change Mitigation, International Relations, Environmental Policy, Environmental Science
★ 4.9 (40) · Beginner · Specialization · 1 - 3 Months

Columbia University
Skills you'll gain: Semiconductors, Electronics, Electronics Engineering, Electronic Components, Simulation and Simulation Software, Electrical Engineering, Simulations, Mathematical Modeling, Engineering Analysis, Model Evaluation, Engineering Calculations
★ 4.6 (154) · Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: Critical Thinking, Independent Thinking, Critical Thinking and Problem Solving, Logical Reasoning, Deductive Reasoning, Curiosity, Creative Thinking, Lifelong Learning, Ethical Standards And Conduct, Problem Solving, Cognitive flexibility, Scientific Methods, Decision Making, Ancient History, Dealing With Ambiguity, Psychology
★ 4.8 (46) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Transfer Learning, Model Evaluation, Tensorflow, Keras (Neural Network Library), Model Training, Computer Vision, Fine-tuning, Classification Algorithms, Image Analysis, Applied Machine Learning, Deep Learning, Model Optimization, Machine Learning, Data Preprocessing
★ 4.7 (8.2K) · Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Robotics, Mathematical Software, Simulation and Simulation Software, Mathematical Modeling, Mechanical Engineering, Numerical Analysis, Simulations, Mechanics, Algorithms, Torque (Physics), Control Systems, Applied Mathematics
★ 4.7 (174) · Intermediate · Course · 1 - 4 Weeks