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.

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Object Oriented Design, Application Development, Data Structures, Linux
Intermediate · Guided Project · Less Than 2 Hours
Starweaver
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, AI Personalization, Data Engineering, System Monitoring, Generative AI, Prompt Engineering, Data Processing, AI Workflows, Scalability, Data Architecture, Data Pipelines, Embeddings, Performance Tuning, Continuous Monitoring, Database Systems, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Role-Based Access Control (RBAC), Authorization (Computing), User Accounts, Cloud Security, Data Security, Cloud Platforms, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Customer Analysis, New Product Development, Persona Development, Customer Insights, Product Strategy, Product Development, Design Thinking, User Research, Business Planning, Business Strategy, Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Entrepreneurial Finance, Business Planning, Financial Statements, Growth Strategies, Business Ethics, Intellectual Property, Financial Modeling, Entrepreneurship, Income Statement, Engineering Management, Legal Risk, Business Strategies, Technology Strategies, Organizational Development, Business Modeling, Cash Flows, Business Development, New Business Development, Risk Analysis, Engineering
Build toward a degree
Beginner · Course · 1 - 3 Months

American Museum of Natural History
Skills you'll gain: Health Disparities, Social Determinants Of Health, Infectious Diseases, Immunology, Epidemiology, Public Health, Pathology, Microbiology, Mathematical Modeling, Molecular Biology, Taxonomy, Cell Biology, Diagnostic Tests, Clinical Trials
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Usability Testing, User Centered Design, User Experience Design, Responsive Web Design, Prototyping, Interaction Design, Software Documentation, Mockups, Wireframing, Design Software, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Model Context Protocol, Retrieval-Augmented Generation, Generative Model Architectures, Model Deployment, Responsible AI, Load Balancing, Large Language Modeling, Containerization, AI Security, Docker (Software), Generative AI, Model Evaluation, Agentic systems, LangChain, Restful API, Cloud Deployment, Data Ethics, Data Validation, Image Quality
Intermediate · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Scripting Languages, Object Oriented Programming (OOP), Computational Logic, Data Structures, Computer Programming, Debugging
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Backlogs, Scrum (Software Development), Sprint Retrospectives, Sprint Planning, Agile Methodology, Agile Project Management, User Story, Product Management, Meeting Facilitation, Team Leadership
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stress Management, Personal Care, Mindfulness, Preventative Care, Growth Mindedness, Behavioral Health, Personal Development, Health And Wellness Coaching, Productivity, Self-Awareness, Mental Health, Resilience, Health Promotion, Behavior Management, Goal Setting, Positive Behavior Support, Exercise Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Restful API, Event-Driven Programming, DevOps, Data Integration, z/OS, Solution Architecture, Cloud Applications, Microservices, Enterprise Architecture, IBM Cloud, Application Lifecycle Management, Cloud-Native Computing, Application Design, CI/CD, Systems Integration, Software Architecture, Mainframe Computing
Beginner · Course · 1 - 3 Months