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.

LearnQuest
Skills you'll gain: Linux, Linux Administration, Systems Administration, Display Devices
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Tensorflow, Google Cloud Platform, Model Deployment, Image Analysis, Cloud Deployment, Model Training, Cloud Computing, Distributed Computing, Predictive Modeling
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Agentic Workflows, Agentic systems, Business Process Automation, Automation, Robotic Process Automation, Generative AI Agents, Responsible AI, AI Integrations, Artificial Intelligence, Data Ethics, AI Security, Accountability, Data Security
Beginner · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Physics, Mechanics, Semiconductors, Probability Distribution, Probability, Differential Equations, Applied Mathematics, Integral Calculus, Mathematical Modeling, Mathematical Theory & Analysis, Experimentation
★ 4.8 (154) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Object Oriented Design, Java, Java Programming, Integrated Development Environments, Data Structures, Command-Line Interface
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Biology, Microbiology, Life Sciences, Molecular, Cellular, and Microbiology, Environment, Environmental Science, Infectious Diseases, Molecular Biology, Cell Biology, Taxonomy
★ 4.8 (77) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: No-Code Development, Experience Design, Application Development, User Experience, User Interface (UI), Data Modeling, User Interface (UI) Design, Sprint Retrospectives, Driving engagement, Service Recovery, Digital Transformation, Application Design, Drive Engagement, Computing Platforms, Data Store, User Feedback, Customer Engagement, Product Management, Cost Estimation, Middleware
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, IT Security Architecture, TCP/IP, Systems Administration, Network Troubleshooting, IT Infrastructure, File Systems, OSI Models, Cybersecurity, Cyber Attacks, Network Security, Network Protocols, Microsoft Windows, Computer Networking, Operating Systems, Lightweight Directory Access Protocols, Desktop Support, Technical Support, Technical Support and Services, System Support
★ 4.9 (995) · Beginner · Professional Certificate · 3 - 6 Months

Packt
Skills you'll gain: User Story, Stakeholder Management, Sprint Planning, Agile Project Management, Kanban Principles, Scrum (Software Development), Agile Methodology, Stakeholder Engagement, Backlogs, Sprint Retrospectives, Stakeholder Analysis, Requirements Management, Project Management, Product Requirements, Lean Methodologies, Release Management, Project Schedules, Goal Setting, Meeting Facilitation, Prioritization
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Wireframing, Web Content, Web Design, Information Architecture, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Feature Engineering, Data Preprocessing, Data Cleansing, Apache Spark, Extract, Transform, Load, Data Processing, Data Pipelines, Data Transformation, Amazon Web Services, Data Wrangling, Responsible AI, Data Quality, Data Integrity, Data Validation, Model Training, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AutoCAD, Performance Tuning, File Management, Computer-Aided Design, Automation, Engineering Drawings, Drafting and Engineering Design, Design Software, Data Sharing, System Configuration, User Interface (UI)
Intermediate · Course · 3 - 6 Months