Network Theory courses can help you learn about graph structures, connectivity, and network dynamics. You can build skills in analyzing complex systems, optimizing network performance, and understanding the spread of information or diseases. Many courses introduce tools like Python for network analysis, Gephi for visualization, and MATLAB for simulations, allowing you to apply these skills in practical work such as social network analysis, telecommunications, and epidemiology.

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cybersecurity, Security Testing, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, System Configuration, Linux Administration, Virtual Machines, Linux Commands, Operating Systems, Software Installation, Workflow Management
★ 4.8 (32) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Continuous Integration, Test Tools, AI Security, CI/CD, Performance Stress Testing, Regression Testing, AI Integrations, Scalability, Automation, Test Case, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Presentations, Concision, Analytical Skills, Persuasive Communication
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mathematical Modeling, Model Based Systems Engineering, Systems Design, Systems Architecture, Automation Engineering, Control Systems, Computational Logic, Mechanics, Systems Analysis, Safety Assurance, Theoretical Computer Science, Differential Equations
★ 3.3 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agile Project Management, Sprint Retrospectives, Scaled Agile Framework, Agile Methodology, Leadership Studies, Project Risk Management, Emotional Intelligence, Team Management, Risk Management, Agile Software Development, Team Performance Management, Team Leadership, User Story, Leadership and Management, Organizational Leadership, Initiative and Leadership, Employee Coaching, Kanban Principles, Project Management Institute (PMI) Methodology, Prioritization
★ 4.7 (20) · Intermediate · Specialization · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Target Audience, Target Market, Agile Product Development, User Interface and User Experience (UI/UX) Design, UI/UX Strategy, Product Development, Customer Analysis, User Experience, Business Metrics, Lean Methodologies, Persona Development, Product Management, Agile Methodology, New Product Development, Performance Measurement, Product Design, Usability Testing, Product Marketing, User Feedback, Business Operations
Intermediate · Course · 3 - 6 Months

Corporate Finance Institute
Skills you'll gain: Financial Trading, Financial Market, Market Data, Economics, Capital Markets, Market Dynamics, Financial Policy, Business Economics, General Finance, Securities Trading, Banking, Economics, Policy, and Social Studies, Investment Management, Market Analysis
★ 4.7 (28) · Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Java Programming, Java, Memory Management, Object Oriented Design, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Computational Logic, API Design, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, Network Support, TCP/IP, Cybersecurity, Human Factors (Security), Technical Support and Services, Computer Networking, Hardware Troubleshooting, Network Performance Management, Command-Line Interface, Wireless Networks, Networking Hardware
★ 4.6 (7) · Advanced · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Music History, Classical Music, Music, Music Theory, Musical Composition, Music Performance, Performing Arts, Storytelling
★ 4.8 (6) · Mixed · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Design Thinking, Creative Problem-Solving, Ideation, Innovation, Open Mindset, Market Opportunities, Creativity, Storytelling, Strategic Thinking, Data Visualization, Growth Mindedness, Test Tools, Entrepreneurship, Peer Review
★ 4.8 (113) · Beginner · Course · 1 - 3 Months