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.

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: MongoDB, Node.JS, Angular, Restful API, API Design, NoSQL, Bootstrap (Front-End Framework), Database Development, Scalability, JavaScript Frameworks, Authentications, Web Applications, Authorization (Computing), JSON, Javascript and jQuery, Database Management, Distributed Computing, Web Development Tools, Web Design and Development, Web Development
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting, Middleware, Server Side, Data Storage, Session Initiation Protocols, Data Sharing, Data Persistence, Event-Driven Programming, Hypertext Markup Language (HTML)
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Dashboard, Salesforce, Data Visualization, Data Storytelling, Ad Hoc Reporting, Management Reporting, Product Demonstration, Security Management, Business Reporting, Report Writing, Cloud Applications, Email Automation, End User Training and Support, Real Time Data, Data Management, Data Import/Export, Security Controls
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: DevOps, CI/CD, Cloud Deployment, User Story, Microservices, OpenShift, Application Deployment, Code Review, Kubernetes, Test Driven Development (TDD), Scrum (Software Development), Agile Methodology, Containerization, Restful API, Flask (Web Framework), Docker (Software), Kanban Principles, Secure Coding, Cloud Computing, GitHub
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Image Analysis, Computer Vision, Computer Graphics, Classification Algorithms, Algorithms, Linear Algebra, Machine Learning Algorithms
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Verification And Validation, Automation, Theoretical Computer Science, Systems Analysis, Systems Design, Model Evaluation, System Requirements, Simulations, Robotics, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Debugging, Unit Testing, Relational Databases, Object Oriented Programming (OOP), Databases, Data Visualization Software, Object Oriented Design, Web Scraping, Creative Design, Data Science, Scatter Plots, Data Structures, Programming Principles, File I/O, Integrated Development Environments, Software Visualization, Python Programming, Computer Programming, Program Development, Diversity and Inclusion
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Data Validation, Excel Formulas, Analysis, Mathematical Modeling, Complex Problem Solving, Data Management
Advanced · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, AI Orchestration, Agentic systems, Development Environment, AI Enablement, Model Evaluation, OpenAI, Scalability, Programming Principles, Application Design, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
Advanced · Guided Project · Less Than 2 Hours