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.

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Security Engineering, Infrastructure Security, Cybersecurity, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Design, Restful API, API Gateway, Application Programming Interface (API), Cloud API, Application Lifecycle Management, Enterprise Application Management, Proxy Servers, Software Documentation, Authentications, Authorization (Computing)
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Geographic Information Systems, Geospatial Information and Technology, Encryption, Data Security, Network Security, Public Key Infrastructure, Wireless Networks, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Anthropic Claude, Web Applications, Tool Calling, GitHub, Web Development, Real Time Data, Debugging, Artificial Intelligence and Machine Learning (AI/ML), API Gateway, Servers, Prompt Engineering, Agentic systems, Video Game Development, Middleware, LLM Application, Command-Line Interface, Generative AI, Artificial Intelligence, Software Engineering
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Bioinformatics, Algorithms, Computational Thinking, Machine Learning Algorithms, Artificial Intelligence, Computer Science, Program Development
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Algorithms, Computational Thinking, Programming Principles, Computer Programming, Data Structures, Graph Theory, Mathematical Modeling
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Debugging, .NET Framework, Microsoft Visual Studio, Microsoft Copilot, Microsoft Development Tools, Programming Principles, Computer Programming, Integrated Development Environments, Development Environment
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Go (Programming Language), Algorithms, OS Process Management, System Programming, Operating Systems, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electronics, Electronics Engineering, Hardware Design, Electrical Engineering, Schematic Diagrams, Electronic Components, Computer-Aided Design, Design Software, Engineering Documentation, Design Specifications, Open Source Technology
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, OSI Models, Network Routing, Network Infrastructure, Software-Defined Networking, Local Area Networks, Virtualization
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Monitoring, Network Troubleshooting, Network Security, Incident Response, Anomaly Detection, Network Analysis, Cyber Security Assessment, Network Protocols, Threat Detection, Technical Communication, Distributed Denial-Of-Service (DDoS) Attacks, Computer Security, Cybersecurity, Vulnerability Assessments
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Robotic Process Automation, Artificial Intelligence, Automation, Graph Theory, Algorithms, Computer Vision, Data Structures, Python Programming, Simulations, Real Time Data
Build toward a degree
Intermediate · Course · 1 - 3 Months