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 Colorado Boulder
Skills you'll gain: Physical Science, General Science and Research, Research, Scientific Methods, Environment, Peer Review, Timelines, World History
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Statistical Reporting, Software Documentation, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Systems Thinking, Systems Analysis, Critical Thinking and Problem Solving, Social Studies, Case Studies, Cognitive flexibility, Network Model, Control Systems
Mixed · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Behavioral Economics, Storytelling, Economics, Economic Development, Financial Forecasting, Forecasting, Socioeconomics, Social Studies, Market Dynamics, Consumer Behaviour, Analysis, Labor Relations
Beginner · Course · 1 - 4 Weeks

The Pennsylvania State University
Skills you'll gain: Geographic Information Systems, Case Studies, Climate Change Programs, Systems Thinking, Design Thinking, Geospatial Information and Technology, Sustainable Design, Spatial Analysis, Collaborative Software, Decision Support Systems, Cultural Responsiveness
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Water Resource Management, Water Sustainability, Hydrology, Case Studies, Natural Resource Management, Civil Engineering, Climate Change Adaptation, Legal Research, Environmental Laws, Environmental Issue, Cultural Sensitivity, Conflict Management
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Robotics, Internet Of Things, Control Systems, Automation, Programmable Logic Controllers, Image Analysis, Industrial Engineering, Computer Vision, Equipment Design, Embedded Software, Mechanical Design
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Electrophysiology, Neurology, Anatomy, Cell Biology, Molecular Biology, Physiology, Biology, Laboratory Techniques, Scientific Methods, Research
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Social Sciences, Data Ethics, Databases, Artificial Intelligence, Research, Simulations, Data Processing, Big Data, Systems Thinking, Social Studies, Trend Analysis, Data Science, AI Enablement, Research Methodologies, Agentic systems
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Simulations, Microbiology, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months