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.

Technical University of Denmark (DTU)
Skills you'll gain: Water Resource Management, Energy and Utilities, Environmental Engineering, Stormwater Management, Environment and Resource Management, Sustainable Technologies, Civil Engineering, Environmental Management Systems, Water Quality, Land Management, Sustainable Development, Cultural Sensitivity, Climate Change Adaptation
Intermediate · Course · 1 - 3 Months
Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance, Peer Review, Media Production, Instrumental Music, Post-Production, Writing and Editing, Storytelling, Writing, Editing, File Management, Creativity, System Configuration
Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Legal Research, Ancient History, Research, Liberal Arts, Cultural Responsiveness, Research Methodologies
Mixed · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Trigonometry, Integral Calculus, Calculus, Arithmetic, Advanced Mathematics, Algebra, Geometry, Applied Mathematics, Graphing, Derivatives, Problem Solving
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, LLM Application, Large Language Modeling
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Music, Media Production, Creativity, Digital Signal Processing, Editing, File Management, System Configuration
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: electromagnetics, Electrical Engineering, Electrical Systems, Differential Equations, Physics, Materials science, Engineering Analysis, Applied Mathematics, Electronic Components, Advanced Mathematics, Scientific Visualization, Visualization (Computer Graphics), Engineering Calculations, Mechanics, Energy and Utilities, Electronics, Mathematical Modeling, Calculus
Intermediate · Specialization · 3 - 6 Months

Tel Aviv University
Skills you'll gain: World History, European History, Social Studies, International Relations, Political Sciences, Public Safety and National Security, Demography, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Safety, Electrical Systems, High Voltage, Safety Standards, Electronic Components, Control Systems, Basic Electrical Systems, Thermal Management, Failure Analysis, Energy and Utilities, Electrical Engineering, Manufacturing Processes, Materials science, Chemical Engineering, Chemistry, Requirements Analysis
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Personal protective equipment, Environmental Regulations, Safety Training, Occupational Safety and Health Administration (OSHA), Hazard Analysis, Energy and Utilities, Safety Standards, Hazard Communication (HazCom), Safety and Security, Fire And Life Safety, Regulatory Compliance, First Aid, Emergency Response
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Inference, Business Analytics, Microsoft Excel, Model Evaluation, Estimation, Data Analysis
Mixed · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Basic Electrical Systems, Electronic Components, Electrical Systems, Electronic Systems, Electrical Engineering, Engineering Analysis, Electronics, Engineering Calculations, Physics, Schematic Diagrams
Mixed · Course · 1 - 3 Months