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.

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), API Design, Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic systems, OpenAI API, Model Deployment, Enterprise Application Management, Tool Calling, OAuth, Generative AI Agents, Middleware, Prompt Engineering, Performance Tuning, Real Time Data, Interoperability, API Gateway, LLM Application, Agentic Workflows, Enterprise Architecture, Software Development Tools
Intermediate · Professional Certificate · 3 - 6 Months

Board Infinity
Skills you'll gain: Brand Strategy, Brand Management, Branding, Storytelling, Brand Awareness, Brand Loyalty, Marketing Psychology, Marketing Strategies, Marketing, Target Market, Consumer Behaviour, Governance, Portfolio Management, Persona Development, Diversity and Inclusion, Value Propositions, Customer Insights
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Risk Analysis, Business Risk Management, Simulation and Simulation Software, Return On Investment, Data Analysis, Data Modeling, Financial Modeling, Microsoft Excel, Data-Driven Decision-Making, Probability Distribution, Business Modeling, Strategic Decision-Making
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Looker (Software), Data Pipelines, Data Transformation, Dashboard, Automation, Scripting, Business Intelligence, Extract, Transform, Load, Data Processing, Data Warehousing, Data Integrity, Data Quality, Google Cloud Platform, Data Validation, Marketing Analytics, Auditing, SQL
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Schematic Diagrams, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Probability, Bioinformatics, Interactive Design, Program Development, Big Data, Python Programming, Data Analysis, User Interface (UI), Machine Learning Algorithms, Theoretical Computer Science, Computer Programming
Beginner · Specialization · 3 - 6 Months

Harvard Business Review
Skills you'll gain: Budget Management, Budgeting, Financial Statements, Financial Statement Analysis, Stakeholder Engagement, Financial Analysis, Risk Analysis, Balance Sheet, Business Acumen, Expense Management, Financial Forecasting, Financial Reporting, Business Planning, Proposal Development, Business Metrics, Business Development, Return On Investment, Cost Benefit Analysis, Investments, Presentations
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Storage, Infrastructure As A Service (IaaS), Google Cloud Platform, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Virtual Machines, Network Architecture, Command-Line Interface, Firewall
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Business Intelligence, Looker (Software), Data Visualization, Data Presentation, Data Visualization Software, Data Literacy, Dashboard, Data Storytelling, Power BI, Business Analytics, Histogram, Data Analysis, Business Marketing, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vector Databases, Semantic Web, Web Analytics and SEO, Embeddings, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Music Theory, Music History, Music, World Music, Instrumental Music, Performing Arts, Music Performance
Beginner · Course · 1 - 4 Weeks