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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Systems, Community Health, Health Policy, Program Evaluation, Infectious Diseases, Data Collection, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Large Language Modeling, Responsible AI, Generative AI, Retrieval-Augmented Generation, Vibe coding, Natural Language Processing, Data Ethics, AI Workflows, Agentic systems, CI/CD, Software Development, Software Engineering Tools, DevOps, AI Security, Software Documentation, Test Automation, Application Security, DevSecOps, Software Engineering
Intermediate · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: People Management, Employee Performance Management, Leadership and Management, Decision Making, Organizational Change, Organizational Structure, Performance Appraisal, Team Motivation, Diversity Equity and Inclusion Initiatives, Compensation Management, Job Analysis, Recruitment, Leadership, Change Management, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Spanish Language, Language Learning, Vocabulary, Language Competency, Grammar, Oral Expression
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Leadership and Management, Initiative and Leadership, Leadership, Growth Mindedness, AI Enablement
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Civil Engineering, Hydrology, Engineering Analysis, Engineering, Environmental Engineering, Mechanics, Hydraulics, Materials science, Laboratory Testing, Construction, Mathematical Modeling
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Penetration Testing, Cyber Security Policies, Linux Commands, Cyber Security Assessment, Command-Line Interface, Cybersecurity, Cloud Computing, Linux, Risk Management Framework, Operating System Administration, Network Monitoring, Security Management, Operating Systems, Cyber Risk, Cloud Services, Threat Management, General Networking, Windows PowerShell, Cyber Governance, Unix Commands
Beginner · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Writing and Editing, Concision, Persuasive Communication, English Language, Grammar, Language Competency, Target Audience, Vocabulary
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Time Management, Scheduling, Goal Setting, Prioritization, Productivity, Delegation Skills, Personal Development, Organizational Skills, Planning, Self-Awareness, Overcoming Obstacles, Expectation Management, Communication
Mixed · Course · 1 - 4 Weeks

Technion - Israel Institute of Technology
Skills you'll gain: New Product Development, Budget Management, Risk Management, Resource Management, Project Management, Product Management, Project Planning, Agile Product Development, Scheduling, Innovation, Business Strategy, Technology Strategies, Simulation and Simulation Software
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Development, Systems Thinking, Environmental Engineering, Socioeconomics, Environmental Science, Waste Minimization, Product Lifecycle Management, Environmental Policy, Analysis, Resource Utilization
Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Classification Algorithms, Model Evaluation
Intermediate · Course · 1 - 3 Months