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.

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Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, UI Components, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, Front-End Web Development, Software Design Patterns, Javascript, Development Environment, Context Management, Application Development, Web Applications, Dataflow, Hypertext Markup Language (HTML), User Interface (UI), Event-Driven Programming, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Kotlin, Java Programming, Java, IntelliJ IDEA, Android Development, Mobile Development, Object Oriented Programming (OOP), Integrated Development Environments, Functional Design, Interoperability, Computer Programming, Programming Principles, Scripting, Unit Testing, Software Development, Development Environment, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Flask (Web Framework), Application Deployment, Test Case, Software Testing, Web Applications, AI Integrations, Code Review, Cloud Development, Python Programming, IBM Cloud, AI Enablement, Web Development, Artificial Intelligence, Maintainability, Restful API, Integrated Development Environments, Application Programming Interface (API), Programming Principles, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Web Scraping, SQL, Descriptive Statistics, Data Visualization, Statistical Analysis, Jupyter, Data Presentation, Probability Distribution, R (Software), Statistics, Statistical Methods, Data Science, Database Management, Relational Databases, R Programming, Python Programming, NumPy, Data Analysis
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Responsive Web Design, Web Design, User Experience Design, Design Reviews, Wireframing, User Experience, Usability Testing, User Interface and User Experience (UI/UX) Design, User Research, User Centered Design, Design Research, Layout Design, User Interface (UI) Design, Software Design Documents, Prototyping, Mockups, Figma (Design Software), Information Architecture
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Java Programming, Java, File I/O, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Frameworks, Code Reusability, Data Structures, File Management
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Threat Modeling, Threat Management, Vulnerability Management, Cyber Threat Intelligence, Security Awareness, Cybersecurity, Vulnerability Assessments, Threat Detection, MITRE ATT&CK Framework, Data Security, Cyber Security Strategy, Cyber Risk, Authorization (Computing), Malware Protection, Authentications, Security Controls, Risk Management Framework, Identity and Access Management, Data Management, Cryptography
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Control Systems, Robotics, Deep Learning, Simulation and Simulation Software, Software Architecture, Simulations, Safety Assurance, Global Positioning Systems, Hardware Architecture, Systems Architecture, Graph Theory, Estimation, Algorithms, Predictive Modeling, Scenario Testing, Mathematical Modeling, Linear Algebra
Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Google Cloud Platform, Cloud Management, Identity and Access Management, User Accounts, Firewall, Cloud Infrastructure, Virtual Networking, Network Architecture, Computer Networking, General Networking, Network Routing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Make.com, AI Workflows, Business Workflow Analysis, Workflow Management, No-Code Development, Email Automation, Agentic Workflows, AI Security, Decision Intelligence, AI Orchestration, Process Analysis, Process Mapping, Generative AI Agents, Process Design, AI Integrations, Microsoft Power Automate/Flow, Productivity Software, Calendar Management, Responsible AI, Development Testing
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, C and C++, Object Oriented Programming (OOP), Object Oriented Design, Software Design Patterns, Debugging, Computer Programming, Programming Principles, Unit Testing, Algorithms, C (Programming Language), Program Development, Software Design, Graph Theory, Software Testing, Computer Science, Code Reusability
Intermediate · Specialization · 3 - 6 Months