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.

University of Pennsylvania
Skills you'll gain: Social Network Analysis, Network Analysis, Social Sciences, Sociology, Systems Thinking, Economics, Policy, and Social Studies, Simulations, Culture, Graph Theory, Complex Problem Solving, Innovation
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Design Elements And Principles, Creativity
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Oral Comprehension, Language Competency, English Language, Language Learning
Beginner · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Software Documentation, Object Oriented Design, Unified Modeling Language, Relational Databases, Object-Relational Mapping, Software Design, Test Driven Development (TDD), Database Management, Unit Testing, Object Oriented Programming (OOP), Database Design, SQL, Debugging, Data Structures, Python Programming, JSON, File Management, Computer Programming, Programming Principles, Software Installation
Beginner · Specialization · 3 - 6 Months

Intel
Skills you'll gain: Artificial Intelligence, AI Enablement, Discussion Facilitation, Company, Product, and Service Knowledge, Responsible AI, Machine Learning, Data Analysis, Business Research, B2B Sales
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Verbal Communication Skills, Persuasive Communication, Presentations, Business Writing, Peer Review, Business Communication, Public Speaking, Business Planning, Marketing, English Language, Business Marketing, Vocabulary, Grammar
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Professional Networking, SAP Applications, Workforce Development, Company, Product, and Service Knowledge, Enterprise Resource Planning, Interviewing Skills, Goal Setting, Training Programs
Beginner · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance, Peer Review, Media Production, Post-Production
Mixed · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Computer Architecture, System Design and Implementation, Computational Logic, Computer Hardware, Functional Design, Data Storage
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cinematography, Videography, Post-Production, Video Production, Storytelling, Storyboarding, Editing, Writing, Creativity, Color Matching
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Microsoft Excel, Data Security
Intermediate · Course · 1 - 3 Months