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.

Johns Hopkins University
Skills you'll gain: Network Analysis, R Programming, Statistical Analysis, Regression Analysis, Statistical Modeling, Statistical Methods, Combinatorics, Bayesian Network, Applied Machine Learning, Statistical Hypothesis Testing, Statistical Programming, Data Analysis, R (Software), Probability, Statistics, Probability Distribution, Probability & Statistics, Bayesian Statistics, Social Network Analysis, Simulations
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Mathematical Software, Advanced Mathematics
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Shell Script, Computer Systems, Big Data, Linux Commands, Hardware Architecture, Operating Systems, Unix Shell, File Systems, Computing Platforms, Linux, Performance Testing, Scripting, Performance Tuning, Memory Management, Computer Architecture, Capacity Management, File Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Computer Programming, Algorithms, Computer Science, Formal Learning, Software Engineering, Program Development, Data Science, Technical Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Theoretical Computer Science, Programming Principles, Computer Science, Critical Thinking, Computational Thinking, Business Logic, Algorithms, Mathematical Theory & Analysis, Verification And Validation, Algebra, Mathematical Modeling, Problem Solving, Strategic Communication
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Problem Solving, Agentic systems, Computational Thinking, Computer Vision, Game Theory, Image Analysis, Artificial Neural Networks, Statistical Modeling, Probability Distribution, Decision Intelligence, Convolutional Neural Networks, Logical Reasoning, Algorithms, Human Development, Behavioral Economics, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, AI literacy, Theoretical Computer Science, Psychology
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Computational Logic, Logical Reasoning, Theoretical Computer Science, Deductive Reasoning, Mathematics and Mathematical Modeling, Computer Science, Algorithms
Beginner · Course · 1 - 3 Months

Hebrew University of Jerusalem
Skills you'll gain: Computer Science, Computer Systems, Computer Architecture, Computer Programming, Programming Principles, Memory Management, System Software, System Programming, Virtual Machines, Operating Systems, Hardware Architecture, Software Architecture, Algorithms, Software Design, Program Development, Object Oriented Programming (OOP), Data Structures, Computer Graphics, Peripheral Devices
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Computer Science, Computer Systems, Web Applications, Computer Literacy, General Networking, Network Security, Computer Networking, Application Security, Computational Thinking, Debugging, Cybersecurity, Problem Management
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Applied Mathematics, Trigonometry, Mathematics and Mathematical Modeling, Graphing, Calculus, Computer Science, Mathematical Theory & Analysis, Geometry, Plot (Graphics), Mechanics, Computer Graphics, Graph Theory, Mathematical Modeling, Functional Requirement, Graphic Design, Derivatives
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Theoretical Computer Science, Combinatorics, Mathematical Theory & Analysis, Arithmetic, Computational Thinking, Key Management, Applied Mathematics
Beginner · Course · 1 - 3 Months