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: User Research, User Experience Design, Design Thinking, User Centered Design, Usability, Persona (User Experience), User Interface (UI), Web Content Accessibility Guidelines, Wireframing, Prototyping, Sprint Retrospectives, Sprint Planning
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Sustainable Development, Project Finance, Sustainable Systems, Civil Engineering, Sustainable Design, Sustainability Standards, Economic Development, Environmental Social And Corporate Governance (ESG), Social Impact, Climate Change Adaptation, Environment, Environmental Engineering, Strategic Partnership, Feasibility Studies, Project Management, Climate Change Mitigation, Stakeholder Engagement, Project Planning, Private Equity, Loans
Beginner · Specialization · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Mechanics, Mechanical Engineering, Engineering Analysis, Physics, Engineering Calculations, Differential Equations, Integral Calculus, Calculus
Intermediate · Course · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Applied Mathematics, Advanced Mathematics, Linear Algebra, Calculus, Engineering Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Computational Logic, Theoretical Computer Science, Logical Reasoning, Experimentation, Artificial Intelligence, Computational Thinking, Mathematics and Mathematical Modeling, Simulations, Psychology, Science and Research, Scientific Methods, Algorithms
Beginner · Course · 1 - 4 Weeks
National Taiwan University
Skills you'll gain: Art History, Aesthetics, Ancient History, Liberal Arts, Creativity, Writing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Environment, Environmental Monitoring, Physical Science, Hydrology, Environmental Science, Climate Change Adaptation, Geographic Information Systems, Social Studies, World History, Research
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Markov Model, Molecular Biology, Biotechnology, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Engineering Analysis, Mathematical Software, Electrical Engineering, Engineering Design Process, Simulations, Biochemistry, Computational Thinking, Failure Analysis, Differential Equations, Cell Biology, Hazard Analysis, Technical Design, Chemical Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Literacy, AI Enablement, Data Mining, AI Product Strategy, Generative AI, Big Data, Information Architecture, Strategic Decision-Making, Enterprise Architecture, Cloud Computing, Data Analysis, Data Science, Digital Transformation, Natural Language Processing, Data-Driven Decision-Making, Data Architecture, Robotics, Business Logic, Leadership
Beginner · Specialization · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Mechanics, Mechanical Engineering, Torque (Physics), Vibrations, Engineering Analysis, Physics, Applied Mathematics, Calculus
Intermediate · Course · 3 - 6 Months

Rice University
Skills you'll gain: Biology, Taxonomy, Anatomy, Microbiology, Mathematical Modeling, Scientific Methods
Beginner · Course · 1 - 3 Months