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.

University of Colorado System
Skills you'll gain: Computational Thinking, File I/O, Data Collection, Simulations, Data Analysis, Microsoft Visual Studio, C (Programming Language), C and C++, Statistical Analysis, Data Presentation, Automation, Program Development, Algorithms, Microsoft Development Tools, Programming Principles, Integrated Development Environments, Computer Programming, Data Structures, Data Storage, Code Reusability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Memory Management, Software Visualization, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, Cloud Services, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Network Protocols, Cloud Computing Architecture, Cloud Platforms, Network Routing, Linux Administration, Network Troubleshooting, Linux, Kubernetes, Network Switches, Terraform
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
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 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, Mathematical Software, Advanced Mathematics
Build toward a degree
Advanced · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Theoretical Computer Science, Combinatorics, Arithmetic, Applied Mathematics, Logical Reasoning
Beginner · Course · 1 - 3 Months

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, Physics, Graphic Design, Derivatives
Beginner · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Machine Learning Methods, Network Model, Electrophysiology, Applied Machine Learning, Supervised Learning, Machine Learning Algorithms, Artificial Neural Networks, Reinforcement Learning, Sensory Systems Analysis, Matlab, Mathematical Modeling, Computer Vision, Neurology, Mathematical Software, Recurrent Neural Networks (RNNs), Physiology, Biology, Differential Equations, Probability Distribution
Beginner · Course · 1 - 3 Months

International Institute of Information Technology, Hyderabad
Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Systems Architecture, Computer Systems, Computer Hardware, Performance Tuning, Memory Management
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Computational Thinking, Algorithms, Theoretical Computer Science, Bioinformatics, Data Structures, Python Programming, Data Analysis, Unsupervised Learning, Analysis, Text Mining
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: System Programming, Visual Basic (Programming Language), System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Programming Principles, Automation, Cloud Computing, Artificial Intelligence, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Quantum computing, Probability, Linear Algebra, Probability & Statistics, Mathematics and Mathematical Modeling, Statistics, Applied Mathematics, Computer Science, Algebra, Physics
Beginner · Course · 1 - 4 Weeks