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: Version Control, Unix Commands, Git (Version Control System), GitHub, Linux Commands, Unix, Software Versioning, Command-Line Interface, Linux, Collaborative Software, File Management, Software Development Tools, Software Development, Web Development
★ 4.6 (3.8K) · Beginner · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Algorithms, Graph Theory, Model Optimization, Applied Mathematics, Theoretical Computer Science, Combinatorics, Operations Research
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), .NET Framework, JSON, ASP.NET, Application Deployment, Maintainability, File I/O, Data Persistence, Application Frameworks, Application Development, Object-Relational Mapping, Database Application, SQL, Extensible Languages and XML, Extensible Markup Language (XML), Programming Principles, Back-End Web Development, Object Oriented Programming (OOP), Object Oriented Design, Web Development
Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: TCP/IP, Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Network Routing, Cybersecurity, Network Monitoring, Network Security, Cyber Attacks, Network Performance Management, Intrusion Detection and Prevention, Network Routers, Network Infrastructure, File Transfer Protocol (FTP), Dynamic Host Configuration Protocol (DHCP), Network Architecture, System Configuration, Network Analysis
★ 4.6 (2.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Content Scheduling, Adobe Express, Personalized Campaigns, Data-Driven Marketing, Social Media Content, Responsible AI, Cross-Channel Marketing, Marketing Channel, AI powered creativity, Content Marketing, Generative AI, Content Creation, Marketing Automation, Email Marketing, Social Media Campaigns, Adobe Creative Cloud, Graphic and Visual Design, Search Engine Optimization, Storytelling, Performance Analysis
★ 4.7 (1.4K) · Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: C (Programming Language), Data Structures, Programming Principles, Computer Science, Computer Architecture, Computer Programming, Quantum computing, Computational Thinking, Computer Hardware, Data Storage
★ 4.8 (1.7K) · Mixed · Course · 3 - 6 Months

Skills you'll gain: C# (Programming Language), ASP.NET, Maintainability, Object Oriented Design, .NET Framework, JSON, Development Environment, Web Development, Application Frameworks, Restful API, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, File I/O, Web Applications, UI Components, Object Oriented Programming (OOP), Back-End Web Development, Functional Design, Application Deployment
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Authentications, Threat Detection, Multi-Factor Authentication, Cyber Security Strategy, Cybersecurity, Malware Protection, Threat Management, Data Loss Prevention, Endpoint Security, Disaster Recovery, Security Awareness, Data Security, Human Factors (Security), Email Security, Information Privacy, Network Security, Cyber Security Assessment, Patch Management
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphics, Animations, Post-Production, Animation and Game Design, Motion Graphics, Visualization (Computer Graphics), Virtual Environment, Open Source Technology, Computer Graphic Techniques, Scripting, Photo/Video Production and Technology, Image Quality, Design Software, Design, Video Game Development, Game Design, Design Elements And Principles, Python Programming
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Software Development Tools, Hypertext Markup Language (HTML), Java, Computer Programming Tools, Application Frameworks, Front-End Web Development, Spring Framework, Object Oriented Design, Cascading Style Sheets (CSS), Javascript
★ 4.4 (870) · Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Computing, Network Architecture, Virtual Networking, TCP/IP, Computer Networking, Cloud Engineering, Network Routing, Cloud Infrastructure, Network Planning And Design, Network Infrastructure, Google Cloud Platform, Interoperability
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Visualization, Dashboard Creation, Excel Formulas, Dashboard, Pivot Tables And Charts, Plot (Graphics), Microsoft Excel, Data Validation, Data Management, Data Cleansing, Data Entry, Data Sharing, Data Import/Export, Spreadsheet Software, Data Transformation, Microsoft Office, Data Analysis Software, Analysis, Data Integrity, Problem Solving
★ 4.7 (4.1K) · Beginner · Specialization · 3 - 6 Months