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: 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

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

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Theoretical Computer Science, Computer Programming, Object-Relational Mapping, Computational Thinking, Programming Principles, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

University of Alberta
Skills you'll gain: Computational Thinking, Video Game Development, Game Design, Programming Principles, Animation and Game Design, Software Quality (SQA/SQC), Problem Solving, Computer Programming, Program Development, Software Engineering, Python Programming, Algorithms, Object Oriented Programming (OOP), Pseudocode, Data Structures, Application Design, Debugging, Computer Science, Test Planning
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Programming Principles, Theoretical Computer Science, Other Programming Languages, Computer Programming, Functional Design, Algorithms
Mixed · Course · 1 - 3 Months

Google Quantum AI
Skills you'll gain: Debugging, Hardware Architecture, Failure Analysis, Computer Programming Tools, Theoretical Computer Science, Mathematical Modeling, Computer Hardware, Simulations, Linear Algebra, Computer Science
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Programming Principles, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Programming, Programming Principles, Data Import/Export, Data Structures, Python Programming, Computer Science, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, 3D Modeling, 3D Assets, Design Strategies, Engineering Design Process, Computer-Aided Design, Manufacturing Processes, Technical Design, Design Software, Functional Design, Design, Materials science, Typography, Digital Design
Advanced · Course · 3 - 6 Months

Skills you'll gain: CI/CD, Software Development Life Cycle, Open Web Application Security Project (OWASP), Continuous Integration, Istio, Linux Commands, Software Architecture, Agile Software Development, Cloud Computing Architecture, Application Deployment, Test Driven Development (TDD), Gherkin (Scripting Language), Kubernetes, Restful API, Git (Version Control System), DevOps, Grafana, Software Engineering, Data Import/Export, Application Development
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Game Design, Programming Principles, Python Programming, Scripting, Computer Programming, Scripting Languages, Computer Science
Beginner · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), Data Structures, Theoretical Computer Science, Computer Programming, Programming Principles, Computational Thinking
Intermediate · Course · 1 - 4 Weeks