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 Copenhagen
Skills you'll gain: Microbiology, Molecular, Cellular, and Microbiology, Infectious Diseases, Biology, Infection Control, Chronic Diseases, Diagnostic Tests, Pharmacology
Mixed · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Performance Testing, Computer Programming, Java Programming, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: User Story, Quality Assurance, Jira (Software), Agile Methodology, Verification And Validation, Product Quality (QA/QC), Quality Assessment, Agile Project Management, Sprint Planning, Workflow Management, Project Estimation
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: File Systems, Endpoint Security, Linux, Operating System Administration, Microsoft Windows, Windows PowerShell, Linux Administration, Windows Servers, Operating Systems, Linux Commands, Network Administration, Active Directory, System Monitoring, System Configuration, Network Security, Security Controls, Command-Line Interface, Malware Protection, Service Management
Mixed · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Law, Regulation, and Compliance, Legal Research, Data Ethics, IT Security Architecture, Technology Roadmaps, European History, International Relations, Interoperability, Data Governance, Cybersecurity, Data Security, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

The Pennsylvania State University
Skills you'll gain: Nutrition and Diet, Sustainability Standards, Manufacturing and Production, Market Dynamics, Water Resource Management, Business Economics, Biotechnology, Production Management, Environmental Management Systems, Climate Change Mitigation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Manufacturing Processes, Automation Engineering, Embedded Software, Electronics, Semiconductors, Test Equipment, Medical Devices, Electronic Components, Performance Tuning, Reliability, Product Testing, Network Protocols
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Problem Solving, Computational Thinking, Computer Vision, Game Theory, Image Analysis, Probability, Artificial Neural Networks, Mathematical Modeling, Deductive Reasoning, Convolutional Neural Networks, Algorithms, Human Development, Analytical Skills, Behavioral Economics, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Psychology, Human Learning, Theoretical Computer Science, Human Machine Interfaces
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electronic Systems, Electrical Engineering, Control Systems, Electronics Engineering, Electronics, Model Based Systems Engineering, Simulations, Mathematical Modeling, Engineering Analysis, Systems Design, Verification And Validation, Systems Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Cloud Development, Version Control, Integrated Development Environments, Cloud Computing Architecture, GitHub, Cloud Computing, Application Development, Android (Operating System), Amazon Web Services, Software Design Documents, System Design and Implementation, Internet Of Things, Unit Testing, Android Development, Telecommunications, Embedded Software, Mobile Development, Visualization (Computer Graphics), Computer Vision
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Influencing, Negotiation, Leadership, Conflict Management, Persuasive Communication, Leadership Development, Professional Development, Business Leadership, Communication, Initiative and Leadership, Empowerment, Personal Development, Leadership and Management, Cooperation, Communication Strategies, Team Building, Constructive Feedback, Decision Making, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Diversity Awareness, Workplace inclusivity, Cultural Diversity, Diversity and Inclusion, Culture, Sociology, Social Sciences, Law, Regulation, and Compliance
Beginner · Course · 1 - 4 Weeks