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 Illinois Urbana-Champaign
Skills you'll gain: Systems Thinking, Sustainable Systems, Sustainable Development, Nutrition Education, Food and Beverage, Nutrition and Diet, Sustainable Technologies, Environmental Issue, Water Sustainability, Economics, Energy and Utilities, Environment, Water Resources, Land Management, Manufacturing and Production, Environment and Resource Management, Natural Resource Management, Consumer Behaviour
★ 4.4 (39) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, File I/O, Network Routing, Graph Theory, Computer Networking, Object Oriented Programming (OOP), Python Programming, Network Routers, Program Development, Algorithms, Computer Programming
★ 4.5 (19) · Intermediate · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), User Provisioning, Authentications, Cloud Storage, User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, AI Security, Large Language Modeling, Security Testing, Data Loss Prevention, Continuous Monitoring, Responsible AI, Prompt Patterns, Threat Detection, System Monitoring, Personally Identifiable Information, Data Security
Beginner · Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Model Evaluation, Data Ethics, AI Personalization, Systems Design, System Requirements, Responsible AI, Machine Learning Algorithms, Machine Learning Methods, Innovation, Algorithms, Data Preprocessing, Unsupervised Learning, Applied Machine Learning, Performance Tuning
★ 4.3 (44) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Keras (Neural Network Library), Model Deployment, Data Pipelines, Google Cloud Platform, Data Preprocessing, Model Training, Deep Learning, Data Processing, Model Optimization, Cloud Deployment, Machine Learning Methods, Applied Machine Learning, Data Transformation, Artificial Neural Networks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Web Analytics, Data Import/Export, Customer Analysis, Marketing Analytics, Customer Insights, Conversion Funnel Analysis, Analysis, Marketing
★ 4.5 (127) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Application Deployment, Mobile Development, Programming Principles, Application Development, UI Components, User Interface (UI), Knowledge of Apple Software, User Interface (UI) Design, Functional Design
Beginner · Course · 1 - 3 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Quantum computing, Communication Systems, Emerging Technologies, Information Technology
★ 4.4 (173) · Advanced · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Lean Six Sigma, Six Sigma Methodology, Lean Manufacturing, Statistical Process Controls, Quality Control, Quality Monitoring, Continuous Improvement Process, Predictive Modeling, Production Process, Process Improvement, Mathematical Modeling, Predictive Analytics, Kanban Principles, Workflow Management, Inventory Control, Regression Analysis, Root Cause Analysis, Statistical Modeling, Management Reporting, Production Schedule
★ 4.9 (96) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Exploitation techniques, Threat Detection, Virtual Machines, Microarchitecture, Debugging, System Programming, Windows PowerShell, Virtual Environment, Programming Principles, Excel Macros, Linux
★ 4.5 (89) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, User Provisioning, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Software Installation, Servers, System Configuration, Encryption, Network Performance Management, Computer Networking
★ 4.7 (682) · Beginner · Course · 1 - 3 Months