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.

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Engineering, Sustainable Technologies, Sustainable Business, Organizational Leadership, Corporate Sustainability, Business Leadership, Initiative and Leadership, Environment, Architectural Design, Climate Change Adaptation, Building Design, Climate Change Mitigation, Environmental Science, Energy and Utilities, Economics
Build toward a degree
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Design Reviews, Design, Graphic Design, Design Elements And Principles, Visual Design, Peer Review, Typography, Design Thinking
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Arithmetic, Geometry, Mathematical Theory & Analysis, Advanced Mathematics, Combinatorics, Algebra, General Mathematics, Applied Mathematics, Biology
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Nutrition and Diet, Preventative Care, Injury Prevention, Public Health, Vital Signs, Safety Assurance, Athletic Training, Physiology, Health Assessment, Behavior Management, Emergency Response, Psychology
Beginner · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Laboratory Testing, Materials science, Sustainable Technologies, Chemistry, Manufacturing Processes, Electrical Power, Product Lifecycle Management, Technical Standard, Product Testing
Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Social Studies, Diversity Awareness, Cultural Diversity, Sociology, Social Sciences, Culture, Social Justice, World History, Political Sciences, Economics, Policy, and Social Studies, Policy Analysis, Immigration Law, Demography
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Bayesian Network, Statistical Methods, Statistical Analysis, Data Analysis, R Programming, Data-Driven Decision-Making, Statistical Inference, Markov Model, Simulations, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: FinTech, Financial Regulation, Financial Services, Payment Systems, Bank Regulations, Lending and Underwriting, Banking Services, Blockchain, Law, Regulation, and Compliance, Financial Data, Digital Assets
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Regression Analysis, R (Software), Data Analysis Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Model Evaluation, Exploratory Data Analysis, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Team Motivation, Delegation Skills, Performance Management, Employee Performance Management, Management Training And Development, Emotional Intelligence, People Management, Team Building, Cultural Sensitivity, Leadership, Communication Strategies, Collaboration, Cross-Functional Collaboration
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electronic Systems, Electrical Engineering, Control Systems, Electronics Engineering, Electronics, Model Based Systems Engineering, Simulations, Mathematical Modeling, Engineering Analysis, Systems Design, Verification And Validation, Systems Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks