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.

Whizlabs
Skills you'll gain: Containerization, CI/CD, Amazon Web Services, Devops Tools, Software Development Tools, Docker (Software), Kubernetes, Application Deployment, Continuous Integration, Continuous Deployment, Application Performance Management, Frontend Integration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Data Manipulation, Data Analysis, SAS (Software), Analysis, Analytics, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Business Reporting, Graphing, Statistical Programming
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Model Evaluation, Unsupervised Learning, Regression Analysis, Classification Algorithms, Machine Learning Algorithms, Linear Algebra, Machine Learning, Predictive Modeling, Statistical Modeling, Supervised Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardening, Linux Administration, System Monitoring, Linux Commands, Performance Tuning, Linux, Systems Administration, File Management, Network Troubleshooting, Unix Commands, Debugging, Service Management, User Accounts, OS Process Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months
Starweaver
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI Agents, Enterprise Application Management, ChatGPT, AI Workflows, Generative AI, Development Environment, LLM Application, Large Language Modeling, Systems Architecture, Model Evaluation, Program Evaluation, Process Optimization, Performance Tuning, Scalability, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Life Cycle, Quality Management, Scrum (Software Development), Business Analysis, Requirements Management, Risk Management, Project Management, Project Risk Management, Business Process Improvement, Project Planning, Agile Methodology, User Acceptance Testing (UAT)
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Music, Music Theory, Aesthetics, World Music, Cultural Diversity, Psychology, Physiology, Biology
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Control, Cyber Risk, Persuasive Communication, Tableau Software, Data Visualization, Data Visualization Software, Data Literacy, Cybersecurity, Empathy, Diversity Equity and Inclusion Initiatives, Communication, Heat Maps, Stakeholder Analysis, Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Writing, Storytelling, Journals, Personal Development, Persistence, Lifelong Learning, Self-Awareness, Self-Motivation, Self-Discipline, Resilience, Creativity, Mindfulness, Mental Concentration, Emotional Intelligence, Overcoming Obstacles
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Site Reliability Engineering, Docker (Software), Containerization, Kubernetes, Virtualization, Cloud Deployment, Devops Tools, Microservices, Application Deployment, Virtual Machines, Cloud Development, Database Management, Cloud-Based Integration, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Security Strategy, Security Requirements Analysis, Identity and Access Management, Security Awareness, Information Technology
Intermediate · Course · 1 - 3 Months