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.

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, Frontend Integration, React.js, Application Frameworks, Software Installation
★ 4.4 (104) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Leaflet (Software), Plotly, Interactive Data Visualization, Data Visualization, Plot (Graphics), Data Presentation, Data Visualization Software, R (Software), R Programming, Statistical Reporting, Software Documentation, Web Applications, Hypertext Markup Language (HTML), Package and Software Management
★ 4.6 (2.3K) · Mixed · Course · 1 - 3 Months

Fudan University
Skills you'll gain: Unity Engine, User Interface (UI), Mobile Development, Video Game Development, C# (Programming Language), 3D Assets, Animations, Application Deployment, Scripting, Cross Platform Development, Virtual Environment, Object Oriented Programming (OOP)
★ 4.7 (100) · Beginner · Course · 1 - 3 Months

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Context Management, Embeddings, Model Evaluation
★ 4.7 (62) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Training, Applied Machine Learning, Model Optimization, Performance Analysis
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Materials science, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Analytical Testing, Laboratory Techniques, Chemistry, Manufacturing Processes, Laboratory Equipment, Laboratory Research, Laboratory Procedures, Chemical Engineering
★ 4.8 (3.1K) · Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, grep, TCP/IP, Network Protocols, Data Security, General Networking, Record Keeping, Data Integrity, File Management, Ethical Standards And Conduct, Encryption, Algorithms
★ 4.7 (268) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud API, JSON, Restful API, API Design, Application Programming Interface (API), Google Cloud Platform, Web Services, Authentications, Network Protocols
★ 3.3 (27) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, Test Engineering, Object Oriented Design, Cloud Deployment, Distributed Computing
★ 4.7 (243) · Intermediate · Specialization · 3 - 6 Months

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Services, Amazon S3, Cloud Platforms, Amazon Elastic Compute Cloud, Public Cloud, Cloud Computing Architecture, AWS Identity and Access Management (IAM), Technical Product Management, AWS CloudFormation, Amazon Redshift, Cloud Security, Software Architecture, Cloud Storage, Network Security, Amazon DynamoDB, Product Management, Data Storage, Identity and Access Management
★ 4.5 (92) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Git (Version Control System), Version Control, Software Versioning, Software Development Tools, Collaborative Software, Software Development, Software Engineering, Project Management
★ 4.6 (60) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Requirements Elicitation, Requirements Analysis, Mockups, Interviewing Skills, Storyboarding, Product Requirements, Prototyping, Systems Analysis, Business Analysis Tools, User Research, Stakeholder Analysis, System Requirements, Stakeholder Engagement, Knowledge Transfer, Prioritization
★ 4.5 (122) · Beginner · Course · 1 - 4 Weeks