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.

Princeton University
Skills you'll gain: Combinatorics, Mathematical Theory & Analysis, Advanced Mathematics, Theoretical Computer Science, Calculus, Mathematics and Mathematical Modeling, Integral Calculus, Applied Mathematics
★ 4.6 (75) · Intermediate · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Cloud Solutions, Cloud Security, Data Literacy, System Monitoring, Private Cloud, Data-Driven Decision-Making, Business Analytics, Team Oriented, Exploratory Data Analysis, Data Management, Hybrid Cloud Computing, Data Visualization Software, Virtual Machines, Process Design, Enterprise Security, Software As A Service, Data Processing, Data Manipulation, Statistical Software, Data Import/Export
★ 4.5 (124) · Beginner · Specialization · 1 - 3 Months
American Museum of Natural History
Skills you'll gain: Life Sciences, Biology, Environmental Science, Environment, Physiology, Hydrology, Environmental Issue, Anatomy, Natural Resource Management, Environmental Resource Management, General Science and Research, Environment and Resource Management, Science and Research, Research, Research Methodologies
★ 4.8 (614) · Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Debugging, Responsible AI, Data Ethics, Maintainability, ChatGPT, LLM Application, AI literacy, Computer Programming Tools, Bioinformatics, Artificial Intelligence, Prompt Engineering, Large Language Modeling, Generative AI, Information Privacy, Data Science
Beginner · Course · 1 - 4 Weeks

New York Institute of Finance
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Financial Trading, Data Pipelines, Applied Machine Learning, Machine Learning, Securities Trading, Statistical Machine Learning, Model Training, Market Trend, Data Preprocessing, Deep Learning, Python Programming, Model Evaluation, Correlation Analysis, Artificial Neural Networks, Time Series Analysis and Forecasting
★ 3.9 (379) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Automation Engineering, Manufacturing and Production, Embedded Systems, Machine Controls, Robotics, Electronics, Industrial Engineering, Product Automation, Artificial Intelligence and Machine Learning (AI/ML), Robotic Process Automation, Control Systems, Automation, Wireless Networks, Internet Of Things, Reinforcement Learning, Communication Systems, Real Time Data, Machine Learning, Electronic Components, Peripheral Devices
Intermediate · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Linear Algebra, Engineering Calculations, Algebra, Engineering Analysis, General Mathematics, Advanced Mathematics, Applied Mathematics, Numerical Analysis
★ 4.9 (4.7K) · Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Hydrology, Environment, Physical Science, Biology, Water Resources, Mitigation, Hazard Analysis, Environmental Issue, Accident Prevention, Cultural Diversity, Water Resource Management, Social Studies, Natural Resource Management, Climate Change Adaptation, Environmental Science, Risk Management, Respiration, Life Sciences, Physiology, World History
★ 4.9 (2.6K) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, JavaScript Frameworks, Web Applications, Web Development Tools, Server Side, Network Routing, Service Oriented Architecture, Android Development
★ 3.6 (36) · Intermediate · Course · 1 - 4 Weeks

Stanford Online
Skills you'll gain: Feature Engineering, Data Ethics, Healthcare Ethics, Clinical Research, Clinical Data Management, Health Informatics, Clinical Research Ethics, Unstructured Data, Data Mining, Health Information Management, Electronic Medical Record, Data Transformation, Data Wrangling, Data Collection, Data Preprocessing, Health Disparities, Text Mining, Responsible AI, Medical Imaging
★ 4.6 (516) · Beginner · Course · 1 - 3 Months

EDUCBA
★ 4.8 (24) · Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), Data Persistence, React.js, Version Control, Performance Tuning, Full-Stack Web Development, GitHub, Event-Driven Programming, HTML and CSS, Application Design, Development Testing, Video Game Development, Software Design Documents, Game Design, Program Development, Software Testing, Javascript
★ 4.2 (19) · Beginner · Professional Certificate · 3 - 6 Months