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.

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Mathematical Theory & Analysis, Advanced Mathematics, Applied Mathematics, Graphing, Scientific Visualization, Mathematical Modeling, Spatial Data Analysis, Geometry
★ 4.7 (52) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Application Programming Interface (API), Databases, Web Applications, Hypertext Markup Language (HTML), Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Biological Engineering, Governance, Biotechnology, Policy Analysis, Medical Science and Research, Healthcare Ethics, Clinical Research Ethics, Health Care Procedure and Regulation, Health Policy, Public Policies, Policy Analysis, Research, and Development, Environmental Issue, Ethical Standards And Conduct, Policy Development, Public Affairs, Case Studies
★ 4.1 (82) · Intermediate · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Culture, Cultural Sensitivity, English Language, Literacy, Language Learning, Language Competency, Writing and Editing, Writing, Interpersonal Communications, Education and Training, Discussion Facilitation
★ 4.8 (56) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Basic Electrical Systems, Electrical Engineering, Electrical Systems, Physics, Electronics, Electronic Components, electromagnetics, Scientific Visualization, Problem Solving, Calculus, Integral Calculus
★ 4.8 (35) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Process Improvement, Lean Methodologies, Kaizen Methodology, Lean Six Sigma, Process Capability, Six Sigma Methodology, Risk Analysis, Process Improvement and Optimization, Quality Improvement, Process Analysis, Statistical Analysis, Statistical Methods, Continuous Improvement Process, Quality Assessment, Risk Management, Quality Monitoring, Business Process, Continuous Quality Improvement (CQI)
★ 5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Real Time Data, Extract, Transform, Load, File I/O, Data Transformation, Jupyter, SQL
★ 4 (44) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LangGraph, AI Orchestration, LLM Application, Agentic Workflows, Generative AI Agents, OpenAI, Tool Calling, Agentic systems, Large Language Modeling, Model Context Protocol, Embeddings, Vector Databases, Python Programming, Document Management
Advanced · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Instagram, Canva (Software), Web Content Accessibility Guidelines, Content Creation, Visual Storytelling, Productivity, Creative Design, Video Production, Animations, Video Editing, Design, Customer Engagement, Collaboration
Mixed · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Statistical Methods, Statistical Modeling, Statistical Software, R (Software), Probability & Statistics, Data Collection, Statistics, Data Literacy, Statistical Inference, R Programming, Statistical Programming, Probability, Data Analysis, Statistical Analysis, Probability Distribution, Simulations, Statistical Visualization, Statistical Reporting, Data Visualization Software
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, User Interface (UI) Design
★ 4.6 (25) · Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Social Media, LinkedIn, Facebook, Social Media Strategy, Social Network Analysis, Professional Networking, Digital Media Strategy, Social Media Analytics, Cross-Channel Marketing, General Networking, Instagram, Business Strategies, Communication Strategies, Digital Communications
★ 4.4 (993) · Mixed · Course · 1 - 4 Weeks