Number theory courses can help you learn prime numbers, divisibility rules, modular arithmetic, and integer properties. You can build skills in problem-solving, logical reasoning, and algorithmic thinking, that support tackling complex mathematical challenges. Many courses introduce tools like Python for implementing algorithms and mathematical software for exploring number patterns, enabling you to apply your knowledge in practical situations such as cryptography and coding theory.

Skills you'll gain: Vulnerability Management, Identity and Access Management, IT Security Architecture, Incident Response, Security Controls, Endpoint Security, Event Monitoring, Cybersecurity, Data Security, Infrastructure Security, Mobile Security, Threat Detection, Firewall, Encryption, Virtual Private Networks (VPN), Digital Forensics, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Endpoint Security, Cyber Threat Hunting, Cyber Threat Intelligence, Endpoint Detection and Response, Cloud Security, Threat Detection, Cyber Operations, Threat Management, Microsoft Copilot, Malware Protection, Security Information and Event Management (SIEM), AI Security, Microsoft Azure, Vulnerability Management, Cloud Computing, Incident Response, Computer Security Incident Management, Incident Management, Anomaly Detection
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Relational Databases, Databases, Database Architecture and Administration, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Query Languages, Data Integrity, Data Manipulation, Performance Tuning
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Instrumental Music, Music, Musical Composition, Media Production, Post-Production, Music Theory, Editing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Software Design, C++ (Programming Language), Software Architecture, Programming Principles, Object Oriented Programming (OOP), Maintainability, Prototyping, Database Application
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), User Interface (UI) Design, Browser Compatibility, HTML and CSS, Web Design, Responsive Web Design, Usability, Color Theory, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Private Equity, Loans, Investment Management, Equities, Case Studies, Performance Measurement, Investment Banking, Investments, Portfolio Management, Financial Market, Capital Markets, Performance Analysis, Mergers & Acquisitions, Resource Allocation, Financial Analysis, Asset Management, Market Liquidity, Entrepreneurial Finance, Derivatives, Business Valuation
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Design Elements And Principles, Graphic and Visual Design, Visual Design, Design, Media and Communications, Color Theory, Art History, Typography, Creativity, Psychology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Layout Design, Photo Editing, Graphic and Visual Design, Creative Design, Typography, Color Theory
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Analytical Skills, Theoretical Computer Science, Programming Principles, Computational Thinking, Computer Science, Data Analysis, Computer Programming, Systems Analysis, Verification And Validation, Algorithms, Software Development, Machine Learning
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Interactive Data Visualization, Data Visualization Software, Data Visualization, Time Series Analysis and Forecasting, Tableau Software, Network Analysis, Data Analysis, Matplotlib, Statistical Analysis, Seaborn, Pandas (Python Package), Social Network Analysis, Graph Theory, Forecasting, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Sustainable Development, Systems Thinking, Sustainability Standards, Corporate Sustainability, Waste Minimization, Strategic Leadership, Professional Development, Business Modeling, Change Management, Leadership, Self-Awareness, Professional Networking
Build toward a degree
Beginner · Course · 1 - 4 Weeks