Computer network courses can help you learn about network architecture, protocols, security measures, and troubleshooting techniques. You can build skills in configuring routers and switches, managing firewalls, and optimizing network performance. Many courses introduce tools like Wireshark for packet analysis, Cisco Packet Tracer for simulation, and various network monitoring software, allowing you to apply your knowledge in practical scenarios and enhance your technical expertise.

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

Adobe
Skills you'll gain: Adobe Acrobat, Document Management, Workflow Management, Collaborative Software, Process Design, Design Reviews, File Management, Presentations, Client Services, Graphic Design, Marketing Design, Digital Design, Version Control, Branding, Constructive Feedback
Mixed · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Graph Theory, Computational Thinking, Java, Performance Testing
Intermediate · Course · 3 - 6 Months

Royal Holloway, University of London
Skills you'll gain: Human Factors (Security), Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Security Awareness, Social Sciences, Exploitation techniques, Culture, Psychology, Survey Creation, Research
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Information Assurance, Data Security, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Agentic Workflows, AI Orchestration, AI Workflows, Generative AI Agents, Agentic systems, LangChain, LLM Application, Responsible AI, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Animations, 3D Modeling, 3D Assets, Computer Graphics, Visualization (Computer Graphics), Graphical Tools, Timelines, Graphics Software, User Interface (UI), File Management, Image Quality, Layout Design, Software Versioning, Software Installation
Mixed · Course · 1 - 3 Months
University of Washington
Skills you'll gain: Supervised Learning, Network Model, Matlab, Machine Learning Algorithms, Artificial Neural Networks, Neurology, Computer Science, Reinforcement Learning, Computational Thinking, Bioinformatics, Mathematical Modeling, Physiology, Recurrent Neural Networks (RNNs), Biology, Linear Algebra, Statistical Methods, Information Architecture, Differential Equations, Probability Distribution
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Scalability, Cloud Applications, Cloud Services, Web Services, Cloud Computing, JSON, Java Platform Enterprise Edition (J2EE), Data Security, Restful API, Object Oriented Design, Database Design, Systems Architecture, Software Design, Dependency Analysis, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: File I/O, Maintainability, Program Development, C (Programming Language), Software Engineering, System Programming, Software Development, Software Design, Simulations, Command-Line Interface, User Interface (UI), Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, Data Persistence, Server Side, Application Deployment, Javascript, Software Documentation, Data Modeling
Intermediate · Specialization · 3 - 6 Months