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 Pennsylvania
Skills you'll gain: Portfolio Management, Financial Modeling, Presentations, Microsoft PowerPoint, Investment Management, Business Modeling, Data Modeling, Quantitative Research, Business Analytics, Financial Data, Portfolio Risk, Microsoft Excel, Financial Analysis, Regression Analysis
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Programming (OOP), Object Oriented Design, Frontend Integration, Middleware, Programming Principles, Application Frameworks, Object-Relational Mapping, Model View Controller, Event-Driven Programming, User Interface (UI), Cascading Style Sheets (CSS), Authentications, Development Environment, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Threat Detection, Infrastructure Security, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, Workflow Management, Business Workflow Analysis, Risk Management, Strategic Thinking, Team Leadership, Agile Project Management, Team Management, Leadership and Management, Collaborative Software, Project Management, Innovation, Agile Software Development, Process Improvement, Strategic Decision-Making, Change Management, Artificial Intelligence, Adaptability, Digital Transformation, Communication
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Mathematical Software, Biotechnology, Engineering Analysis, Simulations, Differential Equations, Computer-Aided Design, Algorithms, Chemistry
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Market, Risk Mitigation, Cash Management, Capital Markets, Financial Systems, Market Liquidity, Risk Management, International Finance, Securities Trading, Banking, Investment Banking, Market Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), C++ (Programming Language), Debugging, Computer Programming, Video Game Development, 3D Assets, Development Environment, Software Documentation, Data Storage, Scripting
Intermediate · Course · 1 - 4 Weeks
Liberty Mutual Insurance
Skills you'll gain: Closing (Sales), Overcoming Objections, Sales Prospecting, Prospecting and Qualification, Insurance Sales, Customer Relationship Building, Customer Retention, Sales Presentation, Consultative Selling, Lead Generation, Sales, Relationship Management, Upselling, Needs Assessment, New Business Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Simple Object Access Protocol (SOAP), Service Oriented Architecture, Enterprise Architecture, Web Services, Data Integration, Application Programming Interface (API), Data Modeling, Back-End Web Development, API Design, Server Side, Extensible Markup Language (XML), Application Development
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Oral Expression, Storytelling, Liberal Arts, Cultural Diversity, Social Justice, Social Studies, Writing, Research, Culture
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Windows, File Management, System Configuration, Patch Management, Peripheral Devices, Operating Systems, Web Content Accessibility Guidelines, Microsoft Copilot, Computer Security Awareness Training, Cloud Storage, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Ancient History, Physics, Mechanics, Physical Science, Science and Research, World History, Research, Scientific Methods, Chemistry, Biology
Beginner · Course · 1 - 3 Months