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.

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Pseudocode, Programming Principles, Computational Thinking, Computational Logic, Computer Science
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Object Oriented Design, Software Engineering, Software Development Tools, Software Testing, Program Development, Software Architecture, Ethical Standards And Conduct, Algorithms
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Teaching, Empathy & Emotional Intelligence, Growth Mindedness, Persistence, Relationship Building
Advanced · Course · 1 - 3 Months

Skills you'll gain: Sarbanes Oxley Act (SOX) Compliance, Specialized Accounting, Regulatory Requirements, Financial Regulations, Technical Accounting, Financial Reporting, Financial Statement Analysis, Financial Auditing, Securities (Finance), Investment Management, Financial Analysis, Business Risk Management, Asset Management, Organizational Structure, Consolidation
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Sales Strategy, Marketing Psychology, Marketing Materials, Copywriting, Sales, Selling Techniques, Consumer Behaviour, Marketing, Marketing Strategies, Target Audience, Promotional Strategies, ChatGPT, Customer Relationship Building
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Threat Modeling, Network Security, Cybersecurity, Cloud Security, Malware Protection, Cyber Attacks, Threat Detection, Hardening, Information Systems Security, Intrusion Detection and Prevention, Disaster Recovery, Remote Access Systems, Systems Architecture, Data Security, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kanban Principles, Sprint Planning, Agile Methodology, User Story, Sprint Retrospectives, Agile Project Management, Agile Product Development, Backlogs, Workflow Management, Lean Methodologies, Product Roadmaps, Prioritization, Release Management, Continuous Improvement Process, Cross-Functional Collaboration, Project Estimation, Estimation
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Water Resource Management, Energy and Utilities, Environmental Policy, Sustainable Business, Risk Management, Environmental Monitoring, Environmental Science, Finance, Innovation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Data Visualization Software, Data Analysis, Data Sharing, Data Presentation, Data Manipulation, Data Import/Export
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: User Accounts, Business Objects Framework, No-Code Development, Application Design, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Keras (Neural Network Library), Tensorflow, Deep Learning, Artificial Neural Networks, Decision Tree Learning, Scikit Learn (Machine Learning Library), Machine Learning, Regression Analysis, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks