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: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Applied Mathematics, Machine Learning Methods, Model Training, Artificial Neural Networks, Machine Learning, Deep Learning, Model Optimization, Fine-tuning, Convolutional Neural Networks, Python Programming, Calculus, Graphing, Derivatives
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Healthcare Ethics, Responsible AI, Ethical Standards And Conduct, Cybersecurity, Diversity Awareness, Generative AI, Artificial Intelligence, Diversity Training, Diversity Programs, digital literacy, Medical Privacy, Information Privacy, Diversity Equity and Inclusion Initiatives, Social Impact, AI Personalization, Media and Communications, Clinical Research Ethics, AI literacy
★ 4.5 (63) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Routing Protocols, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Validation, Data Integrity
★ 4.6 (2.4K) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Programming Principles, Algorithms, C (Programming Language), Computer Programming, Program Development, Problem Solving, Solution Design, Computational Logic
★ 4.7 (7K) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Network Analysis, Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Data Cleansing, Social Sciences, Data Ethics, Databases, Artificial Intelligence, Research, Social Media Analytics, Simulations, Data Processing, Text Mining, Big Data, Applied Machine Learning, Systems Thinking, Data Science, Agentic systems
★ 4.6 (1.3K) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Theoretical Computer Science, Programming Principles, Computer Science, Critical Thinking, Business Logic, Algorithms, Verification And Validation, Algebra, Mathematical Modeling, Problem Solving, Strategic Communication
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Computational Logic, Systems Design, Verification And Validation, Computer Engineering, Communication Systems, Systems Analysis, Software Systems, Process Modeling, Theoretical Computer Science, Computational Thinking, Functional Specification, Software Architecture, Model Optimization, Software Design, Graph Theory, Software Testing, Software Quality Assurance, Computer Architecture, Test Tools, Logical Reasoning
★ 4.7 (13) · Beginner · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Mathematics and Mathematical Modeling, Applied Mathematics, Algorithms, Cryptography, Data Management
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Algorithms, Data Store, Data Management, Computational Thinking, Memory Management, Data Access, C and C++, Software Design, Problem Solving, Complex Problem Solving
★ 4.3 (9) · Mixed · Course · 1 - 3 Months

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
University of Washington
Skills you'll gain: Machine Learning Methods, Network Model, Electrophysiology, Supervised Learning, Machine Learning Algorithms, Artificial Neural Networks, Reinforcement Learning, Sensory Systems Analysis, Matlab, Mathematical Modeling, Network Analysis, Neurology, Recurrent Neural Networks (RNNs), Physiology, Biology, Differential Equations, Probability Distribution
★ 4.6 (1.1K) · Beginner · Course · 1 - 3 Months