Graph Theory courses can help you learn about vertices, edges, paths, and cycles, as well as concepts like connectivity and graph coloring. You can build skills in network analysis, algorithm design, and problem-solving techniques that apply to various fields such as computer science, biology, and social sciences. Many courses introduce tools like Python libraries for graph analysis, visualization software, and algorithms for optimizing network flows, allowing you to apply your knowledge to real-world data and complex systems.

The Hong Kong University of Science and Technology
Skills you'll gain: Social Sciences, Economics, Policy, and Social Studies, Socioeconomics, World History, Sociology, Public History, Trend Analysis, Data Analysis, Big Data, Research, Higher Education, Political Sciences, Education and Training, Case Studies
★ 4.7 (127) · Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Software, Databases, Database Management, Database Theory, Database Design, Database Management Systems, SQL, Database Application, Query Languages, Performance Tuning, Data Integrity, Data Manipulation, Authorization (Computing), Data Processing
★ 4.4 (34) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: GitHub Copilot, Vibe coding, Model Context Protocol, GitHub, Code Review, AI Personalization, Prompt Engineering, Context Management, Agentic Workflows, Software Development, Web Development
★ 4.5 (41) · Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, NoSQL, Database Management Systems, Database Management, Database Development, Machine Learning Algorithms, SQL, Big Data, Model Evaluation, Apache Hadoop, MySQL, Statistical Analysis, Database Theory, Data Analysis, Data Preprocessing
★ 4.5 (124) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Nutrition and Diet, Food and Beverage, Sustainable Systems, Public Health, Community Health, Social Justice, Sustainable Development, Community Development, Health Equity, Systems Thinking, Land Management, Environment, Environmental Issue, Environment and Resource Management, Health Policy, Public Policies, Health Promotion, Manufacturing and Production, Advocacy, Economics
★ 4.7 (165) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Exploratory Data Analysis, Pandas (Python Package), Scikit Learn (Machine Learning Library), Data Manipulation, Applied Machine Learning, NumPy, Statistical Machine Learning, Classification Algorithms, Data Preprocessing, Data Processing, Data Wrangling, Python Programming, Regression Analysis, Predictive Modeling, Machine Learning Algorithms, Machine Learning, Model Evaluation, Data Science, Statistical Hypothesis Testing
★ 3.7 (63) · Beginner · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Water Resources, Water Sustainability, Sustainable Development, Environmental Policy, Hydrology, Water Resource Management, Land Management, Environmental Science, Environmental Resource Management, Environment, Natural Resource Management, Environment and Resource Management, Socioeconomics, Economic Development, Vulnerability, Governance
★ 4.8 (127) · Beginner · Course · 1 - 3 Months

Yeshiva University
Skills you'll gain: Ancient History, Art History, Public History, Color Matching, World History, Research, Color Theory, European History, Culture, Cultural Diversity
★ 4.5 (124) · Mixed · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Stress Management, Resilience, Writing, Writing and Editing, Editing, Mental Health, Learning Strategies, Learning Theory, Human Learning, Mental Concentration, Physiology, Habit Formation, Productivity, Psychology, Motion Arguments, Oral Expression, Time Management, Critical Thinking, Scientific Methods, Mental Health Diseases and Disorders
★ 4.7 (45) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Key Performance Indicators (KPIs), Performance Measurement, Business Metrics, Process Improvement, Continuous Improvement Process, Performance Analysis, Business Process Improvement, Performance Metric, Performance Improvement, Operational Performance Management, Business Analytics, Business Analysis, Operational Efficiency
★ 4.6 (97) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Excel Macros, Excel Formulas, Microsoft Excel, Data Visualization, ChatGPT, Plot (Graphics), Spreadsheet Software, Vibe coding, Interactive Data Visualization, AI Enablement, Multimodal Prompts, Prompt Engineering, Prototyping, Verification And Validation, Data Import/Export
★ 4.8 (79) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Stakeholder Management, Stakeholder Communications, Cross-Functional Collaboration, Planning, Project Planning, Cross-Functional Team Leadership, Strategic Leadership, Strategic Thinking, Business Leadership, Team Building, Community Outreach, Business Systems, Community Development, Problem Solving, Project Management, Organizational Strategy, Relationship Building, Root Cause Analysis, Communication Strategies
★ 4.4 (182) · Beginner · Course · 1 - 4 Weeks