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.

Arizona State University
Skills you'll gain: Manufacturing Processes, Materials science, Process Engineering, Manufacturing Operations, Production Process, Equipment Design, Laboratory Experience, Experimentation, Prototyping, Process Development, Analytical Testing
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Negotiation, Contract Negotiation, Conflict Management, Mediation, Leadership, Communication, Persuasive Communication, Influencing, Relationship Building, Collaboration, Game Theory, Strategic Decision-Making
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Adaptability, Resilience, Personal Attributes, Professional Development, Action Oriented, Overcoming Obstacles, Self-Awareness, Cognitive flexibility, Growth Mindedness, Personal Development, Relationship Building, Plan Execution, Composure, Productivity, Planning, Behavioral Management, Positivity, Optimism
Beginner · Course · 1 - 4 Weeks
Nanjing University
Skills you'll gain: Music, Classical Music, World Music, Social Studies, Cultural Sensitivity, Ancient History, Media and Communications, Art History, Language Learning, Cultural Diversity, Liberal Arts, Social Sciences, Electronic Media, Intercultural Competence, Performing Arts, Anthropology, Sociology, Nutrition and Diet
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Neurology, Anatomy, Mindfulness, Physiology, Human Learning, Biology, Psychology, Experimentation, Mental Health Diseases and Disorders
Mixed · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Computational Thinking, Computer Programming, Network Routing, Cryptography, Java Programming, Linear Algebra
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, Generative AI Agents, Agentic systems, Large Language Modeling, OpenAI, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Text Mining, Query Languages, User Interface (UI), Application Development, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Azure DevOps, DevOps, Agile Methodology, Continuous Delivery, Collaborative Software, Process Driven Development, Microsoft Azure, Continuous Integration, Application Performance Management, Version Control
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Environmental Monitoring, Hydrology, Community Outreach, Water Resource Management, Environmental Engineering and Restoration, Water Resources, Cultural Diversity, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Environmental Engineering, Natural Resource Management, Land Management, Case Studies, Water Quality, Environmental Issue, Climate Change Adaptation
Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Django (Web Framework), HTML and CSS, Model View Controller, Application Deployment, Application Frameworks, Web Applications, Cascading Style Sheets (CSS), Web Servers, SQL, Databases, Network Protocols, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power Electronics, Thermal Management, Electrical Safety, Electrical Power, Electric Power Systems, Electronic Systems, Electrical Equipment, Electrical Systems, Embedded Software, Electronic Components, Energy and Utilities, HVAC, Basic Electrical Systems, Sustainable Technologies, Automation, Environmental Issue, Environment and Resource Management, Environmental Regulations, Environmental Engineering and Restoration, Geospatial Information and Technology
Intermediate · Specialization · 1 - 3 Months

Multiple educators
Skills you'll gain: Sustainable Design, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainability Reporting, Sustainable Technologies, Sustainable Development, Business Ethics, Sustainable Systems, Operations Management, Supply Chain Management, Supply Chain, Manufacturing Operations, Strategic Sourcing, Procurement, Transportation, Supply Chain, and Logistics, Supplier Relationship Management, Environmental Engineering, Labor Compliance, Product Design
Build toward a degree
Beginner · Specialization · 1 - 3 Months