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: Excel Macros, Forecasting, Microsoft Copilot, Dashboard Creation, Microsoft Excel, Predictive Modeling, Workflow Management, UI Components, Visual Basic (Programming Language), User Interface (UI), Automation, Debugging, Interactive Data Visualization, Scenario Testing, Programming Principles
★ 4.5 (72) · Beginner · Course · 1 - 4 Weeks

Atchison Academy
Skills you'll gain: Cloud Computing Architecture, Cloud Platforms, Cloud Infrastructure, Cloud Computing, Cloud-Native Computing, Infrastructure as Code (IaC), Serverless Computing, Cloud Deployment, Cloud Applications, Multi-Cloud, Systems Architecture, Software Architecture, Hybrid Cloud Computing, Managed Services, Containerization, Infrastructure Architecture, Scalability, IT Infrastructure, Cost Management, IT Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: jQuery, Code Reusability, Object Oriented Design, Data Structures, Javascript and jQuery, Programming Principles, Data Management, Microsoft Development Tools, Program Development
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Servers, Network Protocols
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Python Programming, Computational Thinking, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Code Reusability, Data Structures, Data Processing, Computer Graphics, Data Manipulation, Development Environment
Beginner · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Sustainable Systems, Water Sustainability, Sustainable Business, Waste Minimization, Corporate Sustainability, Social Impact, Food and Beverage, Sustainability Standards, Supply Chain, Business Transformation, Climate Change Mitigation, Climate Change Adaptation, Land Management, Environment and Resource Management, Natural Resource Management, Nutrition Education, Innovation, Nutrition and Diet, Case Studies
★ 4.8 (1K) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, Software Design Patterns, Software Architecture, Web Design, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Program Development, Command-Line Interface
★ 4.2 (32) · Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Prototyping, Augmented Reality, Virtual Reality, Usability Testing, User Research, Virtual Environment, Unity Engine, Cross Platform Development, Program Development, 3D Assets, C# (Programming Language), Functional Design, Game Design, Interaction Design, Interactive Design, Animations, User Interface (UI), Data Structures, Display Devices
★ 4.8 (29) · Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Hugging Face, Containerization, CI/CD, Docker (Software), Microsoft Azure, Continuous Deployment, Cloud Computing, Machine Learning Software, GitHub
★ 3.8 (69) · Advanced · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Human Centered Design, Problem Solving, Critical Thinking and Problem Solving, AI Security, Business Leadership, Strategic Leadership, AI Product Strategy, Generative Adversarial Networks (GANs), Business Strategy, Ethical Standards And Conduct, Decision Intelligence, Strategic Thinking, Artificial Intelligence, Critical Thinking, Design Thinking, Thought Leadership, Project Implementation
★ 4.6 (242) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Environmental Policy, Climate Change Programs, International Relations, Climate Change Mitigation, Energy and Utilities, Environment, Environmental Issue, Petroleum Industry, Oil and Gas, Governance, Diplomacy, Public Policies, Policy Development, Sustainable Development, Policy Analysis, Security Strategy, Electric Power Systems, Sustainable Technologies
★ 4.7 (731) · Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Cloud Security, Identity and Access Management, AWS Identity and Access Management (IAM), Incident Response, Cloud Computing, Cloud Applications, Computer Security Incident Management, Cloud Standards, Cloud Platforms, IT Security Architecture, Data Security, Application Security, Network Security, Encryption, Cloud Deployment, Incident Management, Role-Based Access Control (RBAC), Amazon Web Services, Security Management, Authorization (Computing)
Beginner · Course · 1 - 3 Months