Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Equipment Design, Performance Tuning, Image Quality, Display Devices, Engineering Calculations, Hardware Design, Engineering Analysis, Engineering, Scientific, and Technical Instruments, Computer-Aided Design, Image Analysis, Engineering Design Process, Numerical Analysis, Simulation and Simulation Software, Design Software, Systems Design, Mathematical Modeling, Human Factors, Medical Imaging, Technical Design
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Cryptography, Encryption, Secure Coding, File Management, Python Programming, Mathematical Software, Programming Principles, Scripting, Algorithms, Debugging, Data Structures, User Interface (UI), UI Components, Application Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Data Processing, Distributed Computing, Scalability, Data Pipelines, Extract, Transform, Load, Data Warehousing, Query Languages, Data Cleansing, Data Transformation, Data Management, Analytics
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Development, UI Components, User Interface and User Experience (UI/UX) Design, Usability, Typography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ansible, Git (Version Control System), Docker (Software), Containerization, Kubernetes, CI/CD, GitHub, Version Control, Application Deployment, Jenkins, DevOps, Continuous Integration, Continuous Deployment, Infrastructure as Code (IaC), Continuous Delivery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Visualization Software, Data Structures, Data Manipulation, Pandas (Python Package), NumPy, Data Processing, Exploratory Data Analysis, Python Programming, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Cross Platform Development, Web Applications, Mobile Development, Application Development, User Interface (UI) Design, Development Environment
Beginner · Project · Less Than 2 Hours

Università Bocconi
Skills you'll gain: Project Finance, Risk Analysis, Capital Budgeting, Financial Analysis, Private Equity, Credit Risk, Risk Management, Investments, Finance, Contract Management, Banking
Mixed · Course · 1 - 3 Months

Skills you'll gain: React.js, JavaScript Frameworks, Front-End Web Development, Javascript, UI Components, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Stanford University
Skills you'll gain: Logical Reasoning, Computational Logic, Deductive Reasoning, Computational Thinking, Problem Solving, Business Logic, Complex Problem Solving, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, User Interface (UI), Application Frameworks, Application Programming Interface (API), Web Development Tools, Restful API
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Build Tools, Integrated Development Environments, Software Development Tools, Version Control, Software Engineering Tools, Git (Version Control System), Development Environment, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks