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: Network Security, Encryption, OSI Models, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, Network Monitoring, TCP/IP, Remote Access Systems, Network Infrastructure, Network Troubleshooting, Network Protocols, Infrastructure Security, Wireless Networks, Virtual Private Networks (VPN), Endpoint Security, Cloud Security, Routing Protocols, Software-Defined Networking
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronic Systems, Electronic Components, Electronic Hardware, Electronics, Materials science, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Linux Administration, Linux, Linux Servers, Ubuntu, Operating System Administration, Red Hat Enterprise Linux, Unix, User Accounts, Linux Commands, System Configuration, Hardening, Security Controls, Authorization (Computing), Network Administration, Authentications
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, System Testing, Threat Detection, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Windows PowerShell, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Software Development Life Cycle, Software Testing, Software Engineering, Unified Modeling Language, Integration Testing, User Acceptance Testing (UAT), Unit Testing, System Implementation, Secure Coding, Test Case, Requirements Analysis, Agile Methodology, Project Management
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: FinTech, Portfolio Management, Consumer Lending, Return On Investment, Lending and Underwriting, Financial Services, Risk Analysis, Investment Management, Investments, Fundraising and Crowdsourcing, Financial Market, Risk Management, Case Studies, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Positivity, Optimism, Empowerment, Growth Mindedness, Independent Thinking, Resilience, Self-Motivation, Personal Development, Self-Awareness, Professional Development, Mindfulness, Stress Management
Mixed · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Personally Identifiable Information, Cybersecurity, General Data Protection Regulation (GDPR), Information Privacy, Data Security, Threat Detection, Data Loss Prevention, Incident Response, Data Governance, Law, Regulation, and Compliance, Data Management, Data Storage, Data Integrity, Data Ethics, Regulation and Legal Compliance
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Failure Analysis, Risk Analysis, Risk Modeling, Risk Management, Project Risk Management, Analysis, Climate Change Adaptation, Data Analysis Software, Simulation and Simulation Software, Qualitative Research, Resilience
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Servers, Computer Security, System Configuration, Encryption
Beginner · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Bash (Scripting Language), User Accounts, Linux Administration, Linux, Operating System Administration, File Systems, Performance Tuning, Systems Administration, Scripting, File Management, Scripting Languages, Unix Commands, Data Storage, Command-Line Interface, Operating Systems, System Monitoring, Dataflow
Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Database Management Systems, Big Data, Apache Hadoop, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months