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.

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Dataflow, Data Validation, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Model Evaluation, Machine Learning Methods, Predictive Analytics, Feature Engineering, Classification And Regression Tree (CART), Machine Learning Algorithms, Predictive Modeling, Machine Learning Software, Analytics, Decision Tree Learning, Machine Learning, Logistic Regression, Data Analysis, Data Analysis Software, Classification Algorithms, Python Programming
★ 4.7 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Logistic Regression, Data Preprocessing, Applied Machine Learning, Data Import/Export, Data Mining, Python Programming, Data Access, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Classification Algorithms, Machine Learning, Supervised Learning
★ 4.2 (57) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Extract, Transform, Load, Data Modeling, Clinical Data Management, Database Design, Data Mapping, Data Dictionary, Data Quality, Data Transformation, Data Integrity, Data Validation, Data Integration, Health Informatics, Relational Databases, SQL, Query Languages
★ 4.2 (66) · Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Data Integration, Data Quality, Data Wrangling, Exploratory Data Analysis, Data Preprocessing, Data Transformation, Data Cleansing, Data Manipulation, Jupyter, Data Processing, Data Visualization, Data Analysis, Data Science, Data Management, Predictive Modeling, Python Programming
★ 4.8 (106) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Wireframing, Web Content, Web Design, Information Architecture, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Frontend Integration, Back-End Web Development, User Interface (UI) Design, User Accounts, Server Side, Swift Programming, Object-Relational Mapping, Web Development Tools, JavaScript Frameworks, Secure Coding, Data Store, Application Programming Interface (API), API Design, iOS Development, UI Components, Authentications
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Visualization, Research Design, Data Presentation, Descriptive Statistics, Analytics, Descriptive Analytics, Research Methodologies, Analysis, Statistics, Quantitative Research, Statistical Methods
★ 4.6 (183) · Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Visualization Software, Dashboard Creation, Data Wrangling, Performance Tuning, Model Optimization, Dashboard, Statistical Analysis, Data Processing, Analysis, Data Synthesis, Business Intelligence, Data Analysis, Big Data, Data Science, Business Analytics
★ 4.6 (283) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Analysis, Statistical Methods, Combinatorics, Statistical Programming, Data Analysis, Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Bayesian Statistics, Data Science, Simulations
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Integral Calculus, Graphing, Calculus, Systems Of Measurement, Mechanics, Physics, Applied Mathematics, Scientific Methods, Derivatives
★ 4.6 (210) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Development, Browser Compatibility, Web Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Frontend Integration, Visualization (Computer Graphics), Front-End Web Development, Semantic Web, Web Content, Usability, Javascript, Data Validation
★ 4.7 (13) · Mixed · Course · 1 - 4 Weeks