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.

École Polytechnique
Skills you'll gain: Electrical Systems, Electric Power Systems, Energy and Utilities, Basic Electrical Systems, Environmental Issue, Sustainable Systems, Technology Solutions, Time Series Analysis and Forecasting
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Infographics, LinkedIn, Social Media, Professional Development, Professional Networking, Strategic Communication, Recruitment, Data Visualization, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, React.js, Web Development Tools, Application Programming Interface (API), HTML and CSS, Angular, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Trauma Care, Music, Mental and Behavioral Health, Cultural Sensitivity, Compassion, Health Care, Mindfulness, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Compilation, Correlation Analysis, Data Collection, Statistical Inference, Statistics, Statistical Methods, Statistical Modeling, Predictive Modeling, Data Analysis, Statistical Hypothesis Testing, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Visualization
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Dentistry, Dental Care, Oral and Dental Care, Public Health, Oral Health, Medical Science and Research, Higher Education, Research
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Physical Science, Geographic Information Systems, Physics, Environmental Science, Spatial Analysis, Environment, General Science and Research, Remote Access Systems, Life Sciences, Laboratory Research, Biology, Research, Timelines, Systems Of Measurement
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

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electronic Systems, Electrical Engineering, Engineering Analysis, Simulation and Simulation Software, Matlab, Technical Design
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Universidad de Chile
Skills you'll gain: Diversity Awareness, Teaching, Cultural Diversity, Differentiated Instruction, Classroom Management, Higher Education, Student Engagement, Pedagogy, Innovation, Course Development, Instructional Strategies, Student-Centred Learning
Mixed · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: English Language, Language Competency, Vocabulary, Business Correspondence, Grammar, Sales Strategy, Business Communication, Oral Expression, Business Writing, Storytelling, Communication Strategies
Intermediate · Course · 1 - 3 Months