Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Dimensionality Reduction, Data Cleansing, Scikit Learn (Machine Learning Library), Data Transformation, Artificial Neural Networks, Random Forest Algorithm, Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Code Review, System Design and Implementation, C and C++
Intermediate · Course · 3 - 6 Months

The State University of New York
Skills you'll gain: Electrical Power, Basic Electrical Systems, Electric Power Systems, Wiring Diagram, Equipment Design, Energy and Utilities, Electronic Components, Sustainable Design, System Requirements, Electrical Safety, Engineering Calculations, Performance Testing, Physical Science, Estimation
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Revenue Recognition, Peer Review, Credit Risk, Mergers & Acquisitions, Financial Analysis, Accrual Accounting, Financial Statement Analysis, Cash Flows, Accounting, Corporate Finance, Financial Statements, Financial Accounting, Finance, Financial Modeling, Investments, Return On Investment, Generally Accepted Accounting Principles (GAAP), Financial Management, Portfolio Management, Risk Management
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Go (Programming Language), Object Oriented Programming (OOP), Data Management, File I/O, Algorithms, Functional Design, Data Structures, Network Protocols, System Programming, Software Design, Operating Systems, Debugging, Computer Architecture
Intermediate · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music Performance, Music, Instrumental Music, Media Production, Writing, Creativity
Intermediate · Course · 1 - 4 Weeks
Dartmouth College
Skills you'll gain: Environment, Environmental Issue, Environmental Science, Demography, Energy and Utilities, Sustainable Development, Biology, Hydrology, Environmental Engineering, Water Quality, Nutrition and Diet, Oil and Gas, Electric Power Systems, Systems Thinking, Water Resource Management, Natural Resource Management, Sustainable Technologies, Physics, Climate Change Mitigation, Chemistry
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Design, Web Content Accessibility Guidelines, Web Design and Development, Usability, Web Content, Web Development, Web Servers, Semantic Web, Development Environment
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java, Java Programming, Programming Principles, Data Structures, Computer Programming, Object Oriented Programming (OOP), Development Environment, Debugging
Beginner · Course · 1 - 4 Weeks

Universitat de Barcelona
Skills you'll gain: World History, Culture, International Relations, Art History, Social Sciences, Economics, European History, Cultural Diversity, Sociology, Political Sciences
Mixed · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Game Theory, Combinatorics, Mathematical Theory & Analysis, Computational Logic, Mathematical Modeling
Mixed · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, General Mathematics
Advanced · Course · 1 - 3 Months