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.

Meta
Skills you'll gain: Mobile Development, React.js, UI Components, Front-End Web Development, Application Development, Dataflow, Code Reusability, Hypertext Markup Language (HTML), User Interface (UI), Event-Driven Programming, Cascading Style Sheets (CSS), Javascript, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Force.com, Data Import/Export, Business Process Automation, Data Validation, Relationship Management, Workflow Management, Automation, UI Components, Data Integration, Relational Databases, Program Development, Data Integrity, Debugging
Intermediate · Course · 3 - 6 Months
University of Michigan
Skills you'll gain: Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Responsive Web Design, Hypertext Markup Language (HTML), Web Development Tools, Web Development, Typography, Programming Principles, Debugging
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months
University of Virginia
Skills you'll gain: Usability Testing, Agile Product Development, Usability, User Story, Continuous Delivery, Persona Development, Agile Software Development, Sprint Planning, Peer Review, Agile Methodology, Product Testing, Agile Project Management, Team Performance Management, Team Management, Product Improvement, User Interface (UI), Design Thinking, Customer Analysis, Product Development, Persona (User Experience)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computational Thinking, Algorithms, Programming Principles, Data Structures, Problem Solving, Javascript, Performance Tuning
Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Supervised Learning, Applied Machine Learning, Jupyter, Scikit Learn (Machine Learning Library), Machine Learning, Model Training, NumPy, Machine Learning Algorithms, Predictive Modeling, Classification Algorithms, Feature Engineering, Artificial Intelligence, Model Evaluation, Data Preprocessing, Python Programming, Logistic Regression, Model Optimization, Regression Analysis, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Collaborative Software, Software Versioning, Open Source Technology, Command-Line Interface, DevOps
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spreadsheet Software, Stakeholder Communications, Dashboard, Stakeholder Management, Data-Driven Decision-Making, Data Analysis, Data Entry, Analytical Skills, Analysis, Expectation Management, Quantitative Research, Problem Solving, Smart Goals, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), CI/CD, Robotics, LLM Application, Continuous Integration, Artificial Intelligence, Large Language Modeling, Agentic Workflows, Continuous Deployment, Agentic systems, Deep Learning, Machine Learning Methods, Python Programming, Software Visualization, Application Deployment, Test Automation, Visualization (Computer Graphics), Debugging, C (Programming Language)
Advanced · Course · 1 - 3 Months

Peking University
Skills you'll gain: Graph Theory, Computational Logic, Theoretical Computer Science, Computational Thinking, Logical Reasoning, Geospatial Information and Technology, Algebra, Mathematics and Mathematical Modeling, Computer Science, Information Technology, Applied Mathematics
Beginner · Course · 3 - 6 Months