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.

University of California, Irvine
Skills you'll gain: Project Performance, Communication Planning, Project Risk Management, Change Control, Project Management, Risk Analysis, Risk Management, Scope Management, Change Management, Risk Mitigation, Stakeholder Management, Project Closure, Stakeholder Communications, Communication
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Liberal Arts, Music
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: English Language, Social Sciences, Sociology, Community Development, Social Studies, Language Learning, Culture, Psychology, Vocabulary, Grammar, Oral Expression, Writing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Exploit development, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Cyber Operations, Computer Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Labor Relations, Labor Law, Employee Relations, Labor Compliance, Immigration Law, Staff Management, Workers Compensation, Law, Regulation, and Compliance, Human Resource Management, Conflict Management, Workforce Management, Commercial Laws, Mediation, Legal Risk, Arbitration, Contract Negotiation, Negotiation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Java Programming, Data Persistence, Java, Code Reusability, File Management, Object Oriented Programming (OOP), Maintainability, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Autism Spectrum Disorders, Individualized Education Programs (IEP), Special Education, Nutrition Education, Community Health, School Psychology, Chronic Diseases, Case Studies, Nutrition and Diet, Empathy & Emotional Intelligence, Health Education, Health Promotion, School Counseling, Developmental Disabilities, Mental and Behavioral Health Specialties, Parent Communication, Care Management, Communication Disorders, Pediatric First Aid, Behavioral Health
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Model Evaluation, Regression Analysis, Verification And Validation, Feature Engineering, Plot (Graphics), Statistical Methods, Statistical Modeling, Scatter Plots, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: Hazard Analysis, Risk Control, Vibrations, Safety Standards, Mechanics, Mathematical Modeling, Engineering Calculations
Intermediate · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Sustainable Development, Engineering, Systems Of Measurement, Environment, Mathematical Modeling, Environmental Monitoring, Sustainable Technologies, Environmental Science, Physics, Economics
Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Pollution Prevention, Economics, Policy, and Social Studies, Oil and Gas, Mitigation, Policy Analysis, Economics, Sustainable Technologies, Petroleum Industry, Environmental Policy, Sustainable Systems, Environment and Resource Management, Environmental Engineering, Environmental Science
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Processing, Systems Design, Data Pipelines, Data Infrastructure, Google Cloud Platform, Quality Assurance, Data Modeling, Data Compilation, Statistical Reporting, Interactive Data Visualization, MLOps (Machine Learning Operations), Model Deployment, Data Quality, Database Development, Applied Machine Learning, Data Maintenance, Cloud Security, Machine Learning
Advanced · Course · 1 - 3 Months