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: Color Theory, World Music, Disabilities, Social Justice, Performing Arts, Music, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Musical Composition, Cultural Diversity, Aesthetics, Music Theory, Art History, Pedagogy, Sociology, Creativity, Critical Thinking, Communication
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Pseudocode, Algorithms, Computational Thinking, Computer Science, Data Structures, Diagram Design, Program Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Team Motivation, People Management, Organizational Leadership, Stakeholder Communications, Communication
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Simulation and Simulation Software, Mechanical Design, Mechanical Engineering, Control Systems, Computer Vision, Laboratory Experience, Robotics, Equipment Design, Experimentation, Matlab, Electronic Systems, Vibrations, Hydraulics, Mathematical Modeling, Automation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Accountability, Decision Making, Conflict Management, Business Ethics, Risk Management, Strategic Leadership, Culture Transformation, Engineering Management, Organizational Leadership, Empathy, Organizational Strategy, Leadership, Professional Development, Employee Engagement, Diversity and Inclusion
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Jenkins, Devops Tools, CI/CD, DevOps, Continuous Integration, Docker (Software), Continuous Delivery, Software Development Tools, Build Tools, Software Development, Containerization, Application Deployment, Software Installation
Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, Javascript, Network Security, Computer Networking, Computer Programming Tools, Computer Graphics, Web Design and Development, Software Development Tools, Cybersecurity, Computer Programming, Computational Thinking, General Mathematics, Systems Of Measurement, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Equity, Health Disparities, Social Determinants Of Health, Public Health, Health Policy, Social Justice, Community Health, Health Administration, Infectious Diseases, Program Evaluation, Ethical Standards And Conduct, Case Studies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

Skills you'll gain: Agile Software Development, Cloud Computing Architecture, Cloud Services, Cloud Deployment, Agile Methodology, DevOps, Kanban Principles, Cloud Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Agile Project Management, Cloud-Native Computing, User Story, Cloud Storage, Sprint Retrospectives, Sprint Planning, CI/CD, Test Driven Development (TDD), Scrum (Software Development)
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Tactfulness, Public Speaking, Verbal Communication Skills, Communication, Storytelling, Communication Strategies, Interpersonal Communications, Empathy, Social Skills, Professionalism
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Proposal Writing, Fundraising, Prospecting and Qualification, Business Writing, Stakeholder Management, Negotiation, Compliance Reporting, Relationship Building, Communication Strategies
Beginner · Course · 1 - 3 Months