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: Relationship Management, Rapport Building, Business Development, Customer Retention, Communication, Business Communication, Stakeholder Engagement, Market Opportunities, Organizational Development, Upselling, Active Listening
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Computer Programming, Software Development, Programming Principles, Debugging, Scalability
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Pseudocode, Design Strategies, Data Encryption Standard, Applied Mathematics, Computer Science, Program Development, Tree Maps, Encryption, Combinatorics, Data Science, Python Programming
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Banking, Capital Markets, Economics, Market Liquidity, Financial Regulation, Finance, Market Dynamics
Mixed · Course · 3 - 6 Months
Rice University
Skills you'll gain: Chemistry, Biochemistry, Physics, Laboratory Research, Scientific Methods, Experimentation
Mixed · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, LangChain, LLM Application, Responsible AI, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Collaborative Software, System Design and Implementation, Software Development, Python Programming, Real Time Data, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Software Development Life Cycle, Open Web Application Security Project (OWASP), Continuous Integration, Istio, Linux Commands, Software Architecture, Agile Software Development, Cloud Computing Architecture, Application Deployment, Test Driven Development (TDD), Kubernetes, Gherkin (Scripting Language), Restful API, Git (Version Control System), DevOps, Grafana, Software Engineering, Data Import/Export, Application Development
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Mathematical Modeling, Engineering Analysis, Applied Mathematics, Mathematical Theory & Analysis, Geometry
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Peripheral Devices, Computer Hardware, System Configuration, Virtualization and Virtual Machines, Computer Systems, Virtual Machines, Operating Systems, USB, Hardware Troubleshooting, Computing Platforms, Linux, Software Installation, Technical Support, Mac OS, Computer Architecture, File Systems, Network Infrastructure, Data Storage, User Accounts, Disaster Recovery
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Performance Tuning, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Programming Principles, Software Design Patterns, Debugging, Computer Programming, Object Oriented Design, Algorithms, Data Structures, Pseudocode, Command-Line Interface, Graph Theory, Artificial Intelligence, File Systems, Game Design
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Business Writing, Presentations, Peer Review, Infographics, Graphic Design, Graphic and Visual Design, Business Correspondence, Public Speaking, Business Communication, Graphic and Visual Design Software, Verbal Communication Skills, Design, Visual Design, Storytelling, Writing, Organizational Skills, Project Design, Data Presentation, Concision, Microsoft PowerPoint
Beginner · Specialization · 3 - 6 Months