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: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications, Program Development
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks

Koç University
Skills you'll gain: Oral Expression, Verbal Communication Skills, Public Speaking, Language Competency, Communication, Emotional Intelligence, Personal Development
★ 4.8 (439) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: File I/O, C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Video Game Development, Unreal Engine, Game Design, Event-Driven Programming, Unity Engine, C# (Programming Language), UI Components, User Interface (UI)
★ 4.7 (20) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, HTML and CSS, Semantic Web, Cascading Style Sheets (CSS), Javascript
★ 4.7 (36) · Intermediate · Guided Project · Less Than 2 Hours

Sage Publications
Skills you'll gain: Human Resources, Human Capital, Human Resources Management and Planning, HR Tech, People Analytics, Human Resource Strategy, Talent Management, Case Studies, Workforce Development, Data Ethics, Workforce Planning, Workforce Management, Human Resource Policies, Business Ethics, Talent Acquisition, Talent Recruitment, People Development, Decision Making, Business Reporting, Business Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, Hugging Face, MongoDB, Embeddings, NoSQL, AI Personalization, Artificial Intelligence, PostgreSQL, Data Store, Relational Databases, Database Management Systems, Generative AI, SQL, Databases, Database Systems, LLM Application, Query Languages, Natural Language Processing, Machine Learning, Data Science
★ 4.5 (77) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Emotional Intelligence, Personal Development, Self-Awareness, Persistence, Growth Mindedness, Self-Discipline, Self-Motivation, Adaptability, Resilience, Interpersonal Communications, Overcoming Obstacles, Communication, Communication Strategies, Culture, Habit Formation, Decision Making
★ 4.7 (1K) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: LLM Application, Hugging Face, Large Language Modeling, Generative AI, Rust (Programming Language), Model Deployment, Cloud Deployment, PyTorch (Machine Learning Library), CI/CD, Applied Machine Learning, Application Deployment, Model Training, Natural Language Processing, DevOps, Amazon Web Services, Machine Learning
★ 4.3 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Scripting, C# (Programming Language), Video Game Development, Game Design, Event-Driven Programming, Development Environment, Programming Principles, Object Oriented Programming (OOP), Data Structures, Software Installation
Intermediate · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Child Development, Psychology, Childhood Education and Development, Culture, Human Development, Social Sciences, Human Learning, Learning Theory, Personal Development, Self-Awareness, Emotional Intelligence, Motivational Skills, Stress Management
★ 4.8 (931) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), Operational Databases, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Development, Database Application, Databases, Debugging, Application Development, Data Access, Mobile Development, Cloud API, Application Programming Interface (API), Data Mapping
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Risk Management Framework, Infrastructure Security, Cyber Attacks, Cyber Risk, Cyber Security Policies, Public Safety and National Security, Cyber Security Assessment, Cyber Operations, Security Management, Cyber Governance, Continuous Monitoring, Incident Response, Technology Roadmaps, Cyber Threat Intelligence, Network Infrastructure, Technology Solutions, Transportation Operations, Computer Security
★ 4.7 (634) · Beginner · Specialization · 3 - 6 Months