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 Illinois Urbana-Champaign
Skills you'll gain: Water Resources, Water Resource Management, Environmental Laws, Natural Resource Management, Environmental Policy, Environment and Resource Management, Environmental Regulations, Environmental Engineering and Restoration, Environmental Science, Climate Change Adaptation, Interviewing Skills
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Leadership, Strategic Communication, Resilience, Business Continuity, Communication, Risk Analysis, Systems Engineering, Complex Problem Solving, Decision Making, Organizational Strategy, Vulnerability Assessments, Systems Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Animations, Animation and Game Design, 3D Modeling, Stress Management, Visualization (Computer Graphics), Storyboarding, Creativity, Self-Motivation, Conceptual Design
Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: Mechanical Design, Computer-Aided Design, 3D Modeling, Assembly Drawing, Engineering Drawings, Mechanical Engineering, Product Engineering, Technical Drawing, Engineering Design Process, Product Development, Manufacturing and Production
Beginner · Course · 1 - 4 Weeks

Technical University of Denmark (DTU)
Skills you'll gain: Chemical Engineering, Sustainable Technologies, Chemistry, Sustainable Engineering, Sustainable Development, Sustainable Systems, Process Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electronics Engineering, Electronics, Electronic Systems, Semiconductors, Hardware Design, Electrical Engineering, Electronic Components, Computer-Aided Design, Sustainable Design, Automation, Design Software, Environmental Issue, Engineering, Emerging Technologies, AI Enablement, Design, Artificial Intelligence
Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Generative AI Agents, Agentic systems, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Video Game Development, Animation and Game Design, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Oral Comprehension, Telephone Skills, English Language, Bilingual (Spanish/English), Vocabulary, Oral Expression, Verbal Communication Skills, Business Communication, Grammar, Language Learning, Writing
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Governance Risk Management and Compliance, Compliance Management, Responsible AI, Risk Control, Risk Management, AI Security, Model Evaluation, Risk Mitigation, Governance, Compliance Auditing, Risk Analysis, Regulatory Requirements, Process Validation, Gap Analysis, Verification And Validation, Data Validation, Auditing, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Exploratory Data Analysis, Peer Review, Regression Analysis, R (Software), Statistical Reporting, Probability Distribution, Statistical Analysis, Statistics, Data Analysis Software, Data Analysis, Probability & Statistics, Probability, R Programming, Statistical Modeling, Statistical Methods, Data Visualization
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Adobe InDesign, Layout Design, Graphic Design, Graphic and Visual Design, Adobe Creative Cloud, Document Management, Graphic and Visual Design Software, Typography, Style Guides, Design Elements And Principles, Productivity Software, User Interface (UI), Color Theory
Mixed · Course · 1 - 3 Months

Skills you'll gain: Accounts Payable, Invoicing, Accounting Software, Vendor Relationship Management, Payment Processing and Collection, Process Mapping, Workflow Management, Accounting, Business Process Automation, Data Entry, Document Control
Beginner · Course · 1 - 4 Weeks