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

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Development Tools, Application Programming Interface (API), Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS Kinesis, Amazon Redshift, Real Time Data, Data Processing, Data Pipelines, Serverless Computing, Apache Spark, Data Visualization, Big Data, Amazon Web Services, Advanced Analytics, Performance Tuning, Extract, Transform, Load, Amazon CloudWatch, Amazon S3, Data Transformation, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Usability, Javascript, Responsive Web Design, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Routing Protocols, Software Design Patterns, Maintainability, Servers
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Game Design, Video Game Development, Animations, No-Code Development, Development Environment, Scripting
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Software Design Patterns, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Testability
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Secure Coding, Agile Methodology, Security Management, Cyber Security Policies, Cyber Security Assessment, Technical Management, Performance Metric, Risk Management
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Multimedia, Microsoft PowerPoint, Presentations, Collaborative Software, Microsoft Windows, Editing, Data Visualization, File Management
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: UI Components, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Interaction Design, Application Design, Development Environment, Application Development, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Large Language Modeling, LLM Application, Query Languages, Prompt Engineering, Text Mining
Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Visualization, Technical Documentation, Datamaps, Visualization (Computer Graphics), Data Cleansing, Interactive Data Visualization, Data Transformation, Object Oriented Programming (OOP), GitHub, Debugging
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Wireframing, User Experience Design, Persona Development, Information Architecture, Web Design, Design, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours