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.

EDUCBA
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java Programming, Data Structures, Java, Data Persistence, Programming Principles, Data Store, Persistence
★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Debugging, C# (Programming Language), Video Game Development, Development Testing, Scripting, Game Design, Development Environment, Programming Principles, Event-Driven Programming, Software Installation
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Clinical Trials, Research Design, Epidemiology, Clinical Research, Research Methodologies, Public Health, Science and Research, Research, Statistical Analysis, Data Analysis
★ 4.8 (622) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Computer Vision, Model Evaluation, Supervised Learning, Image Analysis, Data Preprocessing, Applied Machine Learning, Machine Learning Methods, Feature Engineering, Machine Learning Algorithms, Data Processing, Model Training, Model Optimization, Machine Learning, Data Cleansing, Scikit Learn (Machine Learning Library), Machine Learning Software, Data Integration, Data Transformation, Classification Algorithms, Regression Analysis
★ 3.7 (12) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Empathy, Team Leadership, Compassion, Empathy & Emotional Intelligence, Influencing, Emotional Intelligence, Team Building, Team Motivation, Leadership, Teamwork, digital literacy, Self-Awareness, Media and Communications, Digital Communications, Interpersonal Communications, Decision Making, Independent Thinking, Open Mindset, Conflict Management, Accountability
★ 4.6 (148) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI Agents, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Artificial Intelligence, Jupyter, Healthcare Industry Knowledge, Model Training, Healthcare Ethics, Health Disparities, Health Informatics, LLM Application, Machine Learning, Deep Learning, Statistical Machine Learning, AI Integrations, AI Security, Model Evaluation, Predictive Modeling, Data-Driven Decision-Making, Data Processing, Data Analysis
★ 4.5 (11) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Development Environment, Integrated Development Environments, Software Installation, Web Analytics and SEO
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prototyping, AI Integrations, Adobe Firefly, AI Workflows, AI powered creativity, Functional Design, Generative AI, Artificial Intelligence, ChatGPT, Design Software, Canva (Software), Creativity, Automation
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, User Interface (UI), Interactive Design, User Interface (UI) Design, Web Design and Development, User Interface and User Experience (UI/UX) Design, Browser Compatibility, Usability, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Front-End Web Development, Animations, Code Reusability, Web Development, Web Development Tools
★ 4.3 (10) · Intermediate · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Semiconductors, Electronic Systems, Electronics, Electronic Components, Electronics Engineering, Basic Electrical Systems, Power Electronics, Electrical Engineering, Engineering Design Process, Hardware Design, Electrical Systems, Electronic Hardware, Engineering, Scientific, and Technical Instruments, Schematic Diagrams, Diagram Design, Performance Testing, Systems Analysis, Engineering Analysis, Mathematical Modeling, Physics
★ 4.8 (188) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Model Optimization, Artificial Neural Networks, Applied Machine Learning, Model Training, Deep Learning, Python Programming, Performance Tuning, Machine Learning
★ 4.6 (71) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Make.com, AI Workflows, Microsoft Power Automate/Flow, Agentic Workflows, Business Process Automation, Generative AI Agents, Process Flow Diagrams, No-Code Development, AI Orchestration, Agentic systems, Process Mapping, Business Workflow Analysis, Process Design, Workflow Management, Automation, Process Improvement, Process Optimization, Continuous Improvement Process, Operational Efficiency, IT Automation
Intermediate · Course · 1 - 4 Weeks