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.

Skills you'll gain: Cucumber (Software), Behavior-Driven Development, Selenium (Software), Gherkin (Scripting Language), Test Automation, Test Script Development, JUnit, Software Testing, Apache Maven, Test Data, Test Tools, Test Case, Scenario Testing, Maintainability
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Hypertext Markup Language (HTML), Typography, Web Design, Maintainability, Debugging, Web Design and Development, Interactive Design, Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Climate Change Adaptation, Social Justice, Environmental Policy, Environmental Regulations, Advocacy, Climate Change Mitigation, Diversity Equity and Inclusion Initiatives, Vulnerability, Accountability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Transact-SQL, Database Development, Database Theory, Database Systems, Database Management Systems
Beginner · Course · 3 - 6 Months

University of Geneva
Skills you'll gain: Digital pedagogy, Instructional Design, Game Design, Collaborative Software, Simulations, Reinforcement Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Capital Markets, Investment Banking, Market Liquidity, Private Equity, Equities, Securities (Finance), Financial Market, Bidding, Business Valuation, Underwriting, Market Dynamics, Due Diligence, Financial Regulation, Regulatory Requirements
Mixed · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: ChatGPT, Calculus, Derivatives, Mathematical Software, Model Optimization, Advanced Mathematics, Applied Mathematics, Machine Learning Methods, Mathematics Education, Digital pedagogy, Geometry, Mathematical Theory & Analysis, Graphing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Social Media Analytics, Social Network Analysis, Data Ethics, Driving engagement, Social Impact, Behavioral Economics, Network Analysis, Game Design, Digital Analysis, AI literacy, Social Sciences, Artificial Intelligence, Systems Thinking, Data Collection, Psychology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux Servers, Cloud Hosting, Cloud Infrastructure, Cloud Computing, Linux, Ubuntu, Operating System Administration, Linux Commands, Cloud Computing Architecture, Cloud Management, Cloud Services, Cloud Platforms, Infrastructure As A Service (IaaS), Cloud Deployment, Scalability, Cloud Security, Server Administration, Servers, Web Applications
Intermediate · Course · 1 - 3 Months

Minnesota State University, Mankato
Skills you'll gain: Technical Writing, Writing and Editing, Technical Documentation, Editing, Technical Communication, Web Content Accessibility Guidelines, Usability, Functional Design, Aesthetics
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI powered creativity, Agentic Workflows, AI Workflows, Visual Storytelling
Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Organizational Strategy, Change Management, Strategic Leadership, Performance Measurement, Organizational Change, Business Strategy, Leadership and Management, Organizational Development, Competitive Analysis, Key Performance Indicators (KPIs), Corporate Strategy, Strategic Thinking, Empathy & Emotional Intelligence, Stakeholder Management, Leadership Development, Leadership, Team Leadership, Strategic Partnership
Beginner · Course · 1 - 4 Weeks