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: Database Application, Application Design, SQL, User Interface (UI), User Requirements Documents
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Emergency Services, Family Support, Safety and Security, Resilience, Empathy, Communication Strategies
Beginner · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Social Media Management, Information Privacy, Computer Security Awareness Training, Cybersecurity, Information Technology, Malware Protection, Online Advertising, Social Media, Digital Marketing, Personally Identifiable Information, Security Awareness, Digital Content, E-Commerce, Web Content, Professional Networking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, PySpark, Performance Tuning, Data Pipelines, Data Processing, Systems Analysis
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Overcoming Objections, Consultative Selling, Closing (Sales), Sales Strategy, Active Listening, Sales, General Sales Practices, Sales Process, Sales Prospecting, Rapport Building, Empathy, Customer Relationship Management
Mixed · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Design Thinking, Creative Problem-Solving, Ideation, Innovation, Creativity, Strategic Thinking, Case Studies, Market Opportunities, Human Centered Design, Curiosity, Storytelling, Growth Mindedness, Business Modeling
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Sales Strategy, Price Negotiation, Customer Retention, Product Strategy, Upselling, Coaching, Case Studies, E-Commerce, Customer Relationship Building, Service Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Content, Application Deployment, Typography, Javascript
Intermediate · Course · 1 - 4 Weeks

The University of North Carolina at Chapel Hill
Skills you'll gain: Chemistry, Social Sciences, Legal Research, Case Law, World History, Liberal Arts, Psychology, Case Studies, Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic systems, OpenAI API, Enterprise Application Management, Tool Calling, OAuth, Generative AI Agents, Middleware, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Application Programming Interface (API), Scalability
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Apache Hadoop, Data Import/Export, Extract, Transform, Load, Big Data, Data Pipelines, Data Processing, Data Migration, SQL, Analytics, Data Manipulation, MySQL, Data Quality, Scalability, Data Security, Scheduling
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Financial Statement Analysis, Finance, Financial Analysis, Income Statement, Capital Budgeting, Balance Sheet, Financial Modeling, Financial Management, Business Mathematics, Corporate Finance, Return On Investment, Microsoft Excel, Investment Management, Cash Flows, Business Metrics, Loans
Beginner · Course · 1 - 3 Months