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 Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), System Programming, Embedded Software, Software Testing, Embedded Systems, Linux, Agile Software Development, Docker (Software), Git (Version Control System), File I/O, Linux Commands, Linux Administration, Operating Systems, Bash (Scripting Language), Shell Script, C (Programming Language), C++ (Programming Language), Debugging, Internet Of Things
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Cloud Development, Microsoft Azure, Cloud Storage, Data Storage, Serverless Computing, Software Development, Cloud Security, Virtual Machines, Data Storage Technologies, Continuous Deployment, Development Environment, Cloud Management, Application Deployment, Cloud Applications, Virtualization and Virtual Machines, Data Security, Microsoft Power Automate/Flow, Event-Driven Programming, C# (Programming Language)
Intermediate · Professional Certificate · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Inventory Control, Materials Management, Supply Chain, Data Analysis, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, IBM Cognos Analytics, IBM DB2, Star Schema, Snowflake Schema, PostgreSQL, Data Mart, Data Architecture, Data Modeling, Database Systems, Data Storage, Data Lakes, Databases, Data Storage Technologies, Dashboard, Query Languages, Data Validation, Data Cleansing, SQL
Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Social Justice, Sociology, Social Sciences, Diversity Awareness, World History, Anthropology, Social Determinants Of Health, Culture, Cultural Diversity, Research, Political Sciences, Biomedical Technology, Research Methodologies, Economics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Integrated Development Environments, Development Environment, Apple iOS, Android Studio, Computer Programming Tools, Application Development, Swift Programming, Test Tools, React Native, Apple Xcode, Application Frameworks, Cross Platform Development, Software Testing, Cloud Hosting, Data Management
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Network Security, Network Protocols, TCP/IP, Cloud Computing, Firewall, Cloud Services, General Networking, Networking Hardware, Network Architecture, OSI Models, Microsoft Azure, Computer Networking, Network Infrastructure, Network Monitoring, Virtualization
Beginner · Course · 1 - 3 Months

Emory University
Skills you'll gain: Public Health, Epidemiology, Community Health, Nutrition and Diet, Emergency Response, Sanitation, Health Promotion, Social and Human Services, Water Resources, Infectious Diseases, Health Administration, Mental Health, Data Collection
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms, Performance Testing
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Peer Review, Blockchain, Market Opportunities, Business Analysis, Competitive Analysis, Strategic Thinking, Case Studies, Market Analysis, Solution Design, New Business Development, Business Modeling, Value Propositions, Business Strategy, Proposal Development, Market Research, Target Audience
Intermediate · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Musical Composition, Music, Peer Review, Media Production, Post-Production, Timelines, Editing
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Business Writing, Oral Expression, Presentations, Grammar, Rapport Building, Business Communication, Technical Communication, Verbal Communication Skills, Writing, Vocabulary, Business Correspondence, Interpersonal Communications, Communication, Interviewing Skills, English Language, LinkedIn, Constructive Feedback, Professional Networking
Mixed · Course · 1 - 3 Months