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: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Hunting, Cyber Threat Intelligence, Cyber Operations, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Network Security, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Vulnerability Assessments, Operating Systems
Beginner · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Unity Engine, Game Design, Video Game Development, User Interface (UI), Software Design, Storytelling, User Experience Design, C# (Programming Language), Animations
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Application Development, Application Design, Integrated Development Environments, Software Architecture, Web Applications, Software Development Tools, Software Testing
Intermediate · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: Unified Modeling Language, Embedded Systems, Internet Of Things, Software Development Life Cycle, Systems Architecture, Systems Design, Technical Design, Software Systems, Prototyping, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Behavior-Driven Development, DevSecOps, Test Driven Development (TDD), Kanban Principles, Continuous Integration, Agile Software Development, Lean Methodologies, DevOps, Agile Methodology, Scrum (Software Development), Software Development Methodologies, Continuous Deployment, Sprint Planning, Cross-Functional Collaboration, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Interactive Data Visualization, Interactive Design, Programming Principles, Visualization (Computer Graphics), Python Programming, Graphic and Visual Design, Computer Graphics, Computational Logic, Computer Programming, Data Import/Export, Computational Thinking, Data Structures, Animations
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, OS Process Management, System Programming, File Systems, Unix Commands, Command-Line Interface, System Monitoring, System Design and Implementation, Performance Tuning, Package and Software Management, File Management, Algorithms, Cloud Platforms, Security Controls, User Accounts, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Distributed Computing, Scalability, Software Architecture, Big Data, Operating Systems, Performance Tuning, File Systems, Cloud Development, Scripting, Command-Line Interface, C and C++, Linux, Data Sharing, OS Process Management, Communication Systems, Artificial Intelligence
Advanced · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Research, Persona (User Experience), Internet Of Things, User Experience, Verification And Validation, Usability Testing, User Centered Design, Cloud Computing Architecture, API Design, User Interface (UI), Amazon Web Services, User Interface (UI) Design, Network Protocols, Human Computer Interaction, Embedded Systems, Prototyping, Embedded Software, User Interface and User Experience (UI/UX) Design, Usability, Software Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, Generative AI Agents, Agentic systems, Tool Calling, Large Language Modeling, OpenAI, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Artificial Intelligence, AI Personalization, Responsible AI, Text Mining, Query Languages, User Interface (UI), Application Development, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Kubernetes, CI/CD, Google Cloud Platform, Continuous Integration, DevOps, Continuous Delivery, Cloud Services, Application Performance Management, Cloud Storage, Cloud Security, Role-Based Access Control (RBAC), Identity and Access Management, Data Storage, Databases, Authorization (Computing), Database Systems, Authentications
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, Linux Administration, File Management, Command-Line Interface, Unix Commands, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology
Beginner · Course · 1 - 4 Weeks