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: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Malware Protection, Cloud Security, Load Balancing, Security Engineering, User Accounts, Authorization (Computing), Network Security, Identity and Access Management, Threat Detection, Threat Modeling, Information Systems Security, Cybersecurity, Geographic Information Systems
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Digital Assets, Blockchain, Emerging Technologies, Business Transformation, Digital Transformation, E-Commerce, Systems Design, Scalability, Business Strategy, Governance
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
Beginner · Specialization · 3 - 6 Months

Howard University
Skills you'll gain: Linear Algebra, Applied Mathematics, NumPy, Mathematical Software, Algebra, Data Visualization Software, Jupyter, Mathematical Modeling, Data Science, Python Programming, Data Analysis, Software Installation, Git (Version Control System)
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Programming Principles, Program Development, Microsoft Visual Studio, Computer Programming, Integrated Development Environments, Python Programming, Debugging, Development Environment, Data Structures
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Performance Tuning, OS Process Management, Data Structures, C and C++, Performance Testing, Distributed Computing, Hardware Architecture, Algorithms, Computer Architecture, Program Development, Debugging
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Application Development, Authentications, Web Applications, SQL, Server Side, Application Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Artificial Intelligence, Machine Learning, Artificial Neural Networks, Deep Learning, Supervised Learning, Data Ethics, Responsible AI, Natural Language Processing, Data Science
Beginner · Course · 1 - 3 Months
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, Computer Graphics, Android Development, Computer Graphic Techniques, 3D Assets, Visualization (Computer Graphics), Application Development, Animation and Game Design
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: DevOps, CI/CD, Process Mapping, Culture Transformation, Continuous Improvement Process, Lean Methodologies, Risk Management, Process Improvement, Organizational Structure, Kanban Principles, Operational Efficiency, User Feedback, Systems Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Object Oriented Programming (OOP), Debugging, Data Structures
Beginner · Guided Project · Less Than 2 Hours