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.

The Hong Kong University of Science and Technology
Skills you'll gain: Civil Engineering, Hazard Analysis, Land Management, Failure Analysis, Engineering Analysis, Risk Control, Physical Science, Mechanics, Augmented and Virtual Reality (AR/VR), Experimentation
★ 4.7 (66) · Beginner · Course · 1 - 3 Months

Skills you'll gain: GitHub, Git (Version Control System), Devops Tools, Version Control, DevOps, Amazon Web Services, Collaborative Software, Software Versioning, Linux, Code Review
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Linux Administration, Linux, Systems Administration, Shell Script, Operating System Administration, Linux Servers, Web Servers, Apache, Unix Shell, Unix Commands, Linux Commands, File Systems, Nginx, Command-Line Interface, Unix, System Monitoring, Servers, Database Systems, Network Troubleshooting, Computer Networking
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: API Testing, Performance Testing, Performance Stress Testing, Test Script Development, Application Programming Interface (API), Test Tools, Software Testing, Test Planning, Scenario Testing, System Testing, Scripting, Simulations, Scalability, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple Xcode, Apple iOS, iOS Development, Apple software proficiency, Application Development, Memory Management, Cross Platform Development, Mobile Development, UI Components, Data Store, Animations, Data Storage Technologies, Object Oriented Programming (OOP), Performance Tuning, Programming Principles, Data Persistence, Data Storage, Cloud Storage, Dataflow
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Public Policies, International Relations, Political Sciences, Policy Development, Policy Analysis, Advocacy, Governance, Public Administration, Diplomacy, Community Development, Coordination
★ 4.8 (965) · Intermediate · Course · 1 - 3 Months

École Nationale des Ponts et Chaussées
Skills you'll gain: Electrical Systems, Energy and Utilities, Transportation Operations, Electric Power Systems, Sustainable Development, Sustainable Technologies, Economic Development, Sustainable Engineering, Climate Change Mitigation, Market Dynamics, Economics, Market Analysis, Environmental Science, Public Policies, Financial Inclusion, Pollution Prevention, Cost Benefit Analysis
★ 4.7 (110) · Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Cloud-Native Computing, Cloud Deployment, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, Virtual Environment, Game Design, 3D Modeling, Video Game Development, Animation and Game Design, Prototyping, Design Strategies, Layout Design
Mixed · Course · 1 - 4 Weeks

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Quantitative Research, Bioinformatics, Molecular Biology, Biotechnology, Laboratory Research, Biochemistry, Cell Biology, Molecular, Cellular, and Microbiology, Laboratory Techniques, Mathematical Modeling
★ 4.5 (317) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Rmarkdown, Stakeholder Communications, Data Ethics, Data Literacy, Data-Driven Decision-Making, Stakeholder Management, Interactive Data Visualization, Data Cleansing, Tableau Software, Spreadsheet Software, Data Validation, Data Visualization Software, R (Software), Data Integrity, Data Collection, Case Studies, Interviewing Skills
★ 4.7 (331) · Beginner · Professional Certificate · 3 - 6 Months

Northeastern University
Skills you'll gain: Object Oriented Design, Java, Java Programming, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Code Reusability, Application Development, UI Components, User Interface (UI), Data Management
Mixed · Course · 1 - 3 Months