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: Operating System Administration, Package and Software Management, File Systems, Microsoft Windows, Linux, Operating Systems, OS Process Management, Linux Administration, Remote Access Systems, System Monitoring, Command-Line Interface, User Accounts, Systems Administration, Technical Support and Services, File Management, Software Installation, Virtualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), User Experience Design, User Experience, Design Research, Linux Commands, Usability, Debugging, User Interface (UI), Software Versioning, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, Javascript, Web Applications, Event-Driven Programming, Unit Testing, Application Programming Interface (API)
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Distributed Computing, Emerging Technologies, Scripting, Financial Regulation, Market Dynamics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Supply Chain Management, Supply Chain Planning, Inventory Management System, Supply Chain Systems, Forecasting, Customer Demand Planning, AI Enablement, Supplier Management, Risk Mitigation, Transportation, Supply Chain, and Logistics, Automation, Risk Management, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Problem Solving, Root Cause Analysis, Professional Development, Complex Problem Solving, Collaboration, Critical Thinking, Creative Thinking, Personal Development, Analysis, Agile Project Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Modeling, Penetration Testing, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Application Security, Encryption, Cybersecurity, Vulnerability Scanning, AI Security, Vulnerability Assessments, Exploitation techniques, Test Planning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Excel Formulas, Data Analysis, Data Manipulation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Database Design, Shiny (R Package), Ggplot2, Data Wrangling, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Interactive Data Visualization, Statistical Analysis, Dashboard, Big Data, Microsoft Excel, Data Presentation, Analytical Skills, Excel Formulas, Data Manipulation, Web Scraping
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Prompt Engineering, AI Orchestration, AI Workflows, LangChain, Retrieval-Augmented Generation, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Multimodal Prompts, Generative AI, AI Security, Generative AI Agents, Vector Databases, Generative Model Architectures, OpenAI API, Responsible AI, Embeddings, Software Development
Advanced · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Health Insurance Portability And Accountability Act (HIPAA) Compliance, General Data Protection Regulation (GDPR), Medical Privacy, Information Privacy, Personally Identifiable Information, Regulatory Compliance, Data Security, Data Management, Data Sharing, Incident Response, Governance, Risk Management
Mixed · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Construction Estimating, Cost Estimation, Punch Work, Bidding, Cost Control, Project Closure, Lean Methodologies, Project Estimation, Cash Flow Forecasting, Request For Quotation (RFQ), Earned Value Management, Procurement, Request for Proposal, Change Orders, Building Information Modeling
Beginner · Course · 3 - 6 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Workflow Management, Process Analysis, Microsoft Copilot, Microsoft Azure, Process Mapping, AI Workflows, Business Process Automation, Process Optimization, Automation, Application Lifecycle Management, Document Management, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks