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.

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Psychiatry, Clinical Psychology, Mental Health, Cognitive Behavioral Therapy, Mental and Behavioral Health, Psychotherapy, Psychiatric Assessments, Cultural Diversity, Psychology, Pharmacotherapy, Pharmacology, Demography
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Predictive Modeling, Predictive Analytics, Exploratory Data Analysis, Data Visualization, Business Analytics, Data Analysis, Statistical Modeling, Data-Driven Decision-Making, Regression Analysis, Microsoft Excel, Machine Learning Methods, Decision Tree Learning, Data Cleansing, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Software Configuration Management, Application Servers, Enterprise Application Management, Java, Software Design Patterns, Extensible Markup Language (XML), Dependency Analysis, Transaction Processing
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Application Deployment, Django (Web Framework), Application Development, Web Development, Web Applications, Back-End Web Development, Database Design, Data Modeling, Authentications, User Accounts, Relational Databases, Data Validation
Intermediate · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Laboratory Testing, Materials science, Sustainable Technologies, Chemistry, Manufacturing Processes, Electrical Power, Product Lifecycle Management, Technical Standard, Product Testing
Mixed · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Electronic Discovery, Investigation, Criminal Investigation and Forensics, Incident Response, Cyber Threat Intelligence, Technical Communication, Computer Security Incident Management, Report Writing, Cybersecurity, Fraud detection, Legal Proceedings, Law, Regulation, and Compliance, Document Management, Ethical Standards And Conduct, Business Ethics, Compliance Reporting, Cryptography, Data Collection, Analysis, Management Reporting
Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Google Ads, Online Advertising, Pay Per Click Advertising, Digital Advertising, Contextual Advertising, Search Engine Marketing, Keyword Research, Search Engine Optimization, Advertising Campaigns, Advertising, Paid media, Web Analytics and SEO, Marketing Automation, Bidding, Automation, A/B Testing, Consumer Behaviour, Key Performance Indicators (KPIs), Analysis
Beginner · Course · 1 - 3 Months

EIT Digital
Skills you'll gain: Email Security, Cybersecurity, Security Awareness, Cyber Attacks, Identity and Access Management, Threat Detection, Data Security, Secure Coding, Human Factors (Security), Fraud detection, Entrepreneurship
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Biotechnology, Food and Beverage, Sustainable Technologies, Scalability, Manufacturing and Production, Sustainability Standards, Process Engineering, Product Development, Global Marketing, Chemical Engineering, Innovation, Market Trend, Market Analysis, Microbiology, Workforce Development
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Revenue Recognition, Organizational Change, Agile Methodology, Organizational Structure, Waterfall Methodology, Organizational Leadership, Management Training And Development, Project Closure, Accrual Accounting, Business Management, Organizational Strategy, Business Ethics, Cash Flows, Change Management, Accounting, Business Leadership, Project Implementation, Financial Statements, Financial Accounting, Project Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Electronics Engineering, Electronic Systems, Electronic Hardware, Electronics, Machine Controls, Control Systems, Electrical Systems, Hardware Design, Programmable Logic Controllers, Equipment Design, Electronic Components
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Music Performance, Post-Production, Media Production, Storytelling, Editing, Organizational Skills, Writing, Technology Solutions
Beginner · Specialization · 3 - 6 Months