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: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming, Maintainability, Software Design, Data Structures, Software Architecture, Memory Management, Programming Principles, Code Reusability, Data Management, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Cybersecurity, Threat Management, Cyber Risk, Cyber Security Assessment, Information Systems Security, Network Security, Computer Security, Exploitation techniques, Cryptography, Data Integrity
★ 4.7 (2.9K) · Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Computational Logic, Agentic systems, Bayesian Network, Decision Intelligence, Machine Learning, Bayesian Statistics, AI literacy, Markov Model, Algorithms, Computational Thinking, Probability, Model Optimization, Probability & Statistics, Probability Distribution
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Photo Editing, Adobe Illustrator, Adobe Express, Adobe Photoshop, Typography, Responsible AI, AI powered creativity, Color Theory, Generative AI, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Photography, Visual Storytelling, Data Ethics, Design, Adobe Firefly, Creative Design, Branding, Storytelling
★ 4.7 (1.5K) · Beginner · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: Network Model, 3D Assets, 3D Modeling, Visualization (Computer Graphics), Computer Graphics, Graphical Tools, Computer Graphic Techniques, Dataflow, Scalability, Debugging
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Object Oriented Programming (OOP), C (Programming Language), Python Programming, Data Import/Export, Memory Management, File I/O, Computational Logic, Network Protocols, Package and Software Management
★ 4.6 (2.5K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Kotlin, Android Jetpack, Android Development, Android (Operating System), Mobile Development, Unit Testing, Gradle, Mobile Development Tools, User Interface (UI), UI Components, Code Reusability, Application Development, Integrated Development Environments, User Interface (UI) Design, Object Oriented Programming (OOP), Cross Platform Development, Test Driven Development (TDD), Wireframing, Prototyping
★ 4.6 (1.9K) · Beginner · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Security Engineering, Authentications, Threat Modeling, Network Security, Public Key Infrastructure, Distributed Denial-Of-Service (DDoS) Attacks, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Firewall, Cyber Attacks, Cryptography, Infrastructure Security, Cybersecurity, Data Encryption Standard, Threat Management, Cyber Risk, IT Security Architecture, Mobile Security, Enterprise Security, Cyber Security Assessment
★ 4.7 (3.7K) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: UI/UX Research, Surveys, Qualitative Research, User Experience Design, User Experience, Usability Testing, User Research, Design Research, User Story, Prototyping, Wireframing, User Centered Design, Survey Creation, User Interface and User Experience (UI/UX) Design, Interaction Design, Interactive Design, Ideation, A/B Testing, Conceptual Design, Persona (User Experience)
★ 4.7 (2.3K) · Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Programming Principles, Application Frameworks, Computer Architecture, Algorithms, Performance Tuning, Functional Design
★ 4.6 (1.2K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Angular, TypeScript, JavaScript Frameworks, UI Components, Frontend Performance, React Native, Web Applications, Front-End Web Development, React.js, Javascript, Web Development, Performance Tuning, Frontend Integration, Application Programming Interface (API), Restful API, User Interface (UI), Unit Testing
Intermediate · Course · 3 - 6 Months

University of Michigan
Intermediate · Course · 1 - 4 Weeks