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.

Berklee
Skills you'll gain: Music Theory, Music, Music Performance, Instrumental Music, Coordination, Mental Concentration
Intermediate · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Liberal Arts, Cultural Diversity, Political Sciences, Ethical Standards And Conduct, Economics, Policy, and Social Studies, World History
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mathematics Education, Education Software and Technology, Simulations, Digital pedagogy, Arithmetic
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Cloud Computing, Cloud Solutions, Google Cloud Platform, Identity and Access Management, Cloud Management, Cloud Infrastructure, Cloud Storage, System Monitoring
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Agile Product Development, Management Reporting
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Business Writing, Sales Presentation, Business Correspondence, Interviewing Skills, Business Communication, Case Studies, Business Ethics, Data Visualization, Oral Expression, Presentations, Target Audience, Report Writing, Writing, English Language, Business Analysis, Analysis, Communication Strategies, Verbal Communication Skills, Intercultural Competence, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Slack (Software), Workflow Management, Agile Project Management, Agile Methodology, Scrum (Software Development), Business Process Automation, Scenario Testing, Process Improvement
Beginner · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Executive Presence, Influencing, Oral Expression, Composure, Non-Verbal Communication, Verbal Communication Skills, Communication, Public Speaking, Business Leadership, Adaptability, Professional Development, Personal Attributes, Cognitive flexibility, Active Listening
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Simulation and Simulation Software, Systems Thinking, Data Sharing, Data Modeling, Systems Design, Mathematical Modeling, Interactive Data Visualization, Biology, Environment, Storytelling
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), Exploit development, Threat Detection, Penetration Testing, DevSecOps, Cloud Security, Exploitation techniques, Vulnerability Scanning, Security Testing, Application Security, Incident Response, Security Engineering, Vulnerability Assessments, Python Programming, Web Scraping, Encryption, Automation
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Sales Territory Management, B2B Sales, Closing (Sales), Sales Process, Sales Training, Sales, Enterprise Sales, Sales Development, Negotiation, General Sales Practices, Sales Strategy, Advertising Sales, Phone Sales, Inside Sales, Regional Sales, Sales Prospecting, Sales Presentations, Price Negotiation, Sales Enablement, Prospecting and Qualification
Mixed · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Creativity, Creative Thinking, Creative Problem-Solving, Brainstorming, Cognitive flexibility, Persistence, Curiosity, Resourcefulness, Innovation, Problem Solving, Growth Mindedness, Adaptability, Motivational Skills
Mixed · Course · 1 - 4 Weeks