Theoretical computer science courses can help you learn algorithms, computational complexity, automata theory, and formal languages. You can build skills in problem-solving, mathematical reasoning, and algorithm analysis, that support tackling complex computational tasks. Many courses introduce tools like Python for algorithm implementation, LaTeX for typesetting mathematical documents, and software for simulating automata, allowing you to apply these concepts in practical scenarios.

Skills you'll gain: Threat Modeling, Network Security, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Cyber Threat Intelligence, Threat Management, Cyber Attacks, Incident Response, Cybersecurity, Network Protocols, Threat Detection, Cloud Security, Bash (Scripting Language), Debugging, Linux, Interviewing Skills, Python Programming, SQL
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months
University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, C and C++, C (Programming Language), Programming Principles, Object Oriented Programming (OOP), Debugging, C++ (Programming Language), Computer Programming, Unit Testing, Integrated Development Environments, Computer Science, Pseudocode, Command-Line Interface, Algorithms, File Systems, Integration Testing, Software Design
Intermediate · Specialization · 3 - 6 Months

EIT Digital
Skills you'll gain: Data Structures, Theoretical Computer Science, Data Storage Technologies, Algorithms, Graph Theory, File Systems, Data Access, Performance Tuning, Computer Hardware
Advanced · Course · 1 - 3 Months

Peking University
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Data Storage, Theoretical Computer Science, Computational Thinking, Computer Programming, C (Programming Language), C++ (Programming Language)
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Verification And Validation, Automation, Theoretical Computer Science, Systems Analysis, Agentic systems, System Requirements, System Design and Implementation, Simulations, Computer Science, Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Algorithms, Computational Thinking, Theoretical Computer Science, Data Structures, Python Programming, Artificial Intelligence
Beginner · Course · 1 - 3 Months
Dartmouth College
Skills you'll gain: Command-Line Interface, C (Programming Language), Linux Commands, Linux, Embedded Systems, Embedded Software, Programming Principles, Computer Engineering, Linux Servers, File Systems, System Programming, Build Tools, Data Structures, Algorithms, Computer Architecture, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Security Controls, Cyber Attacks, Security Management, Cyber Security Strategy, Incident Response, Cyber Risk, Security Information and Event Management (SIEM), Information Assurance, Data Ethics, Network Analysis, Ethical Standards And Conduct
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Object Oriented Design, Computer Programming, Programming Principles, Computer Science
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Django (Web Framework), Full-Stack Web Development, Version Control, Restful API, Data Structures, Unix Commands, Bootstrap (Front-End Framework), Git (Version Control System), Back-End Web Development, GitHub, Web Design and Development, Relational Databases, Front-End Web Development, Object Oriented Programming (OOP), Database Management Systems, SQL, Database Design, Python Programming, Computer Programming, Cloud Hosting
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Pivot Tables And Charts, Data Visualization Software, Programming Principles, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months