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 System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales Territory Management, B2B Sales, Regional Sales, Selling Techniques, Sales Management, Consultative Selling, Sales, Sales Strategy, Sales Training, Market Analysis, Sales Process, Market Research, Competitive Intelligence, Customer Relationship Management, Negotiation
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Analysis Expressions (DAX), Microsoft 365, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Case Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Music Theory, Musical Composition, Instrumental Music, Music, Music Performance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Patch Management, Cyber Risk, Continuous Monitoring, Threat Detection, Cyber Threat Hunting, Application Security, Security Controls, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Network Security, Cyber Security Strategy, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: .NET Framework, Databases, Application Development
Beginner · Course · 1 - 4 Weeks

IESE Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Corporate Strategy, Business Strategy, Environmental Issue, Strategic Decision-Making, Compliance Management, Stakeholder Engagement, Governance, Consumer Behaviour
Beginner · Course · 1 - 3 Months

Università Bocconi
Skills you'll gain: Resource Management, Leadership and Management, Business Management, Team Management, Brand Management, Leadership Studies, Art History, Fundraising, Data-Driven Decision-Making, Customer Relationship Management, Marketing, Customer experience strategy (CX)
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Agile Methodology, Waterfall Methodology, Fixed Asset, Governance, Organizational Structure, Accrual Accounting, Project Closure, Revenue Recognition, Financial Statements, Organizational Leadership, Business Management, Project Implementation, Organizational Strategy, Project Planning, Business Ethics, Succession Planning, Kanban Principles, Financial Accounting, Financial Statement Analysis, Project Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Technical University of Munich (TUM)
Skills you'll gain: Global Positioning Systems, Human Factors, Manufacturing and Production, Digital Transformation, Environmental Monitoring, Control Systems, Structural Engineering, Aerospace Basic Quality System Standards, Manufacturing Processes, Production Process, Automation, Engineering Analysis, Leadership, Image Analysis, Communication Systems, Industrial Engineering, Human Machine Interfaces, Robotics, Cybersecurity, Mathematical Modeling
Intermediate · Specialization · 3 - 6 Months