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.

JetBrains
Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Java, Java Programming, Spring Framework, Android Development, IntelliJ IDEA, Functional Design, Interoperability, Unit Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Hardware Architecture, Microarchitecture, Computer Architecture, Data Structures, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Java, Object Oriented Design, Integrated Development Environments, Development Environment, Computer Programming, Debugging, Virtual Machines, Algorithms
Beginner · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Operations Research, Computational Logic, Combinatorics, Algorithms, Applied Mathematics, Mathematical Modeling, Mathematical Software, Computational Thinking, Programming Principles, Theoretical Computer Science, Performance Tuning, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, OpenAI API, LLM Application, OpenAI, Model Context Protocol, Generative AI Agents, Agentic systems, Tool Calling, Prompt Engineering, ChatGPT, Artificial Intelligence, Application Programming Interface (API), User Interface (UI), Context Management, Large Language Modeling, Python Programming, Development Environment, Application Deployment, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Experience Design, Design Strategies, Service Design, Customer experience improvement, User Experience Design, Customer Engagement, UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Design Research, Customer Insights, Business Analysis, Process Mapping, Cross-Functional Collaboration, Business Strategy, Stakeholder Engagement, Product Strategy, Prioritization, Ideation
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Stored Procedure, Database Design, SQL, Relational Databases, NoSQL, PostgreSQL, Database Architecture and Administration, Database Systems, Database Theory, Data Modeling, Databases, JSON, Scalability, Database Management, Query Languages, Distributed Computing, Cloud Applications, Data Manipulation, Text Mining, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: File I/O, Data Visualization Software, Computational Thinking, Matplotlib, Python Programming, NumPy, Algorithms, Computer Programming, Pandas (Python Package), Debugging, Data Manipulation, Integrated Development Environments, Data Structures, Data Analysis, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Content, Web Development, Marketing Strategies, Order Management Systems, Shipping and Receiving, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Computer Programming, Data Structures, Object Oriented Programming (OOP), Integrated Development Environments, Computer Science
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Java, Mobile Development, Object Oriented Programming (OOP), Java Programming, Application Deployment, JSON, Web Services, Mockups, Mobile Development Tools, Application Design, Restful API, Application Development, Software Design Patterns, Kotlin, User Interface (UI) Design, Prototyping, Application Lifecycle Management, Instagram
Intermediate · Specialization · 3 - 6 Months