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.

Northwestern University
Skills you'll gain: Robotics, Control Systems, Artificial Intelligence, Automation, Graph Theory, Algorithms, Virtual Environment, Simulation and Simulation Software, Mathematical Modeling, Data Structures, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Video Editing, Cinematography
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Software Development, Hardware Architecture, Debugging, Application Security, Microarchitecture, Computer Architecture, C (Programming Language), Digital Signal Processing, System Configuration, Application Development, Security Engineering, C++ (Programming Language), System Requirements
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Azure Active Directory, Active Directory, Regulatory Compliance, Security Controls, Identity and Access Management, Generative AI, Cloud Security, Data Governance, Authentications, Network Security, Role-Based Access Control (RBAC), Data Security, Threat Detection, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Development Environment, C++ (Programming Language), Debugging, Computational Thinking, Computer Programming, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Vibe coding, Cloud Infrastructure, Cloud Deployment, Devops Tools, AI Workflows, Amazon Elastic Compute Cloud, Generative AI, Prompt Engineering
Intermediate · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Income Statement, Inventory Accounting, Profit and Loss (P&L) Management, Cost Accounting, Gross Profit, Management Accounting, Financial Accounting, Financial Statements, Inventory Management System, Operating Expense
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, System Support, Desktop Support, TCP/IP, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Hardware Troubleshooting, Network Troubleshooting, Mac OS, Network Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Security Awareness Training, Information Systems Security, Malware Protection, Data Security, Technical Support and Services, Encryption, Security Awareness, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Global Positioning Systems, Estimation, Robotics, Deep Learning, Machine Learning Methods, Computer Vision, Control Systems, Mathematical Modeling, Applied Mathematics, Linear Algebra
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, High Voltage, Power Electronics, Electronic Components, Electronics Engineering, Electronics, Simulation and Simulation Software
Build toward a degree
Intermediate · Course · 1 - 4 Weeks