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.

University of California, Davis
Skills you'll gain: Empathy & Emotional Intelligence, Emotional Intelligence, Social Skills, Active Listening, Empathy, Professional Development, Stress Management, Relationship Building, Interpersonal Communications, Self-Awareness, Communication Strategies, Self-Discipline, Personal Development, Journals
★ 4.7 (1.7K) · Beginner · Course · 1 - 4 Weeks

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: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Risk Analysis, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Data Security, Authentications, Security Testing, Cloud Security, Security Strategy, Threat Management, Incident Management, Risk Management, Cyber Attacks, Security Awareness, Vulnerability Assessments
★ 4.7 (1.9K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Continuous Integration, Containerization, Cloud-Native Computing, Scalability, Application Deployment, Cloud Deployment, Continuous Deployment, Spring Framework, Spring Boot, DevOps, Prometheus (Software), Amazon CloudWatch, AWS Identity and Access Management (IAM), Identity and Access Management, Load Balancing, OAuth, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cloud Computing Architecture, Cloud Security, Cyber Threat Intelligence, Vulnerability Assessments, Vulnerability Scanning, Cyber Attacks, Network Architecture, Threat Management, Cloud Infrastructure, Cloud Standards, Zero Trust Network Access, Cybersecurity, IT Security Architecture, Network Security, Cloud Deployment, Infrastructure Security, AI Security
★ 4.7 (6) · Intermediate · Course · 1 - 3 Months

Google DeepMind
Skills you'll gain: Google Gemini, Gemini, Generative AI Agents, AI Orchestration, LLM Application, Token Optimization, Agentic Workflows, AI Integrations, Google Cloud Platform, Tool Calling, Agentic systems, Generative Model Architectures, AI Security, Cloud Deployment, Prompt Engineering, Application Programming Interface (API), Application Deployment, Secure Coding, Data Structures
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Interviewing Skills, Oral Expression, English Language, Business Communication, Presentations, Verbal Communication Skills, Business Writing, Grammar, Persuasive Communication, Public Speaking, Target Audience, Vocabulary, Professionalism
★ 4.5 (713) · Mixed · Course · 1 - 3 Months

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

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Environment, Environmental Science, Life Sciences, Environmental Issue, Environment and Resource Management, Biology, Sustainable Development, Demography, Natural Resource Management, Estimation, Experimentation, Case Studies
★ 4.7 (182) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Wrangling, JSON, Data Structures
★ 4.7 (19) · Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Mechanics, Systems Of Measurement, Engineering Analysis, Differential Equations, Physics, Calculus, Applied Mathematics, Mathematical Modeling, Trigonometry
★ 4.5 (144) · Intermediate · Course · 1 - 3 Months