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.

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Data Structures
Intermediate · 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 Colorado System
Skills you'll gain: Computational Thinking, File I/O, Data Collection, Simulations, Data Analysis, Microsoft Visual Studio, C (Programming Language), Statistical Analysis, Automation, Program Development, Data Structures, Programming Principles, Algorithms, Computer Programming, Theoretical Computer Science, Data Storage, Descriptive Statistics, Data Visualization Software, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Centered Design, Responsive Web Design, Prototyping, Front-End Web Development, User Interface and User Experience (UI/UX) Design, Figma (Design Software), Design Elements And Principles, Web Design, Wireframing, Typography, Web Applications, Mobile Development
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Theoretical Computer Science, Computer Programming, Computational Thinking, Programming Principles, Debugging, Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Unified Modeling Language, Object Oriented Programming (OOP), Object Oriented Design, Test Driven Development (TDD), Software Design Patterns, Software Design, Programming Principles, Computer Programming, Java Programming, Software Development Methodologies, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Scripting, Web Design and Development, Event-Driven Programming, Programming Principles, Integrated Development Environments, User Interface (UI), Debugging
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Security, Load Balancing, User Accounts, Apache, Web Servers, System Configuration, Command-Line Interface, Linux, Debugging, Network Routing
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: HTML and CSS, React.js, ASP.NET, Restful API, .NET Framework, Web Applications, Web Services, Front-End Web Development, JSON, Application Development, Model View Controller, Program Development, Javascript, Development Environment, Back-End Web Development, API Design, Web Development, Microsoft Visual Studio, Software Design Patterns, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Kubernetes, DevOps, Microservices, Application Deployment, CI/CD, Data Storage, Linux Administration, Software Architecture, Security Controls, Authentications, Ubuntu, Network Model, YAML, Virtual Networking, Development Environment, Software Configuration Management, Software Installation
Beginner · Specialization · 1 - 3 Months