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 Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Social Network Analysis, Driving engagement, Behavioral Economics, Network Analysis, Game Design, Social Sciences, Artificial Intelligence, Systems Thinking, Human Computer Interaction, Data Collection, Psychology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Scanning, Proxy Servers, Security Testing, Penetration Testing, Vulnerability Assessments, Brute-force attacks, Web Scraping
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Python Programming, Computer Programming, Software Engineering, Simulations
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Data Persistence, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Java Programming, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Mobile Development, React Native, Responsive Web Design, Browser Compatibility, HTML and CSS, Cross Platform Development, Web Design and Development, Javascript, Application Development, Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, Threat Management, Vulnerability Management, Identity and Access Management, Data Security, Cloud-Native Computing, Infrastructure as Code (IaC), Authentications, Cloud Computing, Vulnerability Assessments, Multi-Factor Authentication, Data Governance, Personally Identifiable Information, Authorization (Computing), Infrastructure Security, Role-Based Access Control (RBAC), Containerization, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Vector Databases
Intermediate · Specialization · 1 - 3 Months

University of New Mexico
Skills you'll gain: Web Applications, Full-Stack Web Development, Git (Version Control System), Middleware, Software Architecture, User Interface (UI), Agile Software Development, Application Frameworks, Ajax, Model View Controller, Databases, Relational Databases, Software Development, Ruby on Rails, Software Design Patterns, Cascading Style Sheets (CSS), Javascript
Mixed · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Operations Research, Linear Algebra, Numerical Analysis, Applied Mathematics, Algorithms, Process Optimization, Engineering Calculations, Program Implementation, Computational Thinking, Operational Analysis, Mathematical Modeling, Resource Allocation, Decision Making, Facility Management, Calculus, Business Analytics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Probability, Linear Algebra, Probability & Statistics, Statistics, Mathematical Theory & Analysis, Computational Logic, Applied Mathematics, Advanced Mathematics, Computer Science, Algebra, Physics
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Application Frameworks, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scalability, Web Applications, Cascading Style Sheets (CSS), Web Development, Software Design, UI Components
Intermediate · Course · 1 - 4 Weeks