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: Oral Comprehension, Active Listening, Public Speaking, Verbal Communication Skills, English Language, Critical Thinking, Organizational Skills, Analytical Skills
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Security Testing, Secure Coding, Vulnerability Scanning, Penetration Testing, Vulnerability Management, Dependency Analysis, Application Security, Cyber Security Assessment, Security Requirements Analysis, DevSecOps, Security Strategy, Code Review, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Virtual Networking, Data Persistence
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Stress Management, Time Management, Organizational Skills, Personal Development, Emotional Intelligence, Self-Awareness, Prioritization, Productivity
Mixed · Course · 1 - 3 Months
University of Leeds
Skills you'll gain: Engineering Management, Project Finance, Project Management, Stakeholder Management, Contract Management, Financial Analysis, Project Implementation, Project Design, Return On Investment, Cost Benefit Analysis, Finance, Governance, Risk Management, Procurement, Case Studies
Intermediate · Course · 1 - 3 Months

Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Child Health, Infant Care, Maternal Health, Postpartum Care, Pediatrics, Anatomy, Nutrition and Diet, Public Health and Disease Prevention, Public Health, Clinical Nutrition, Immunology, Patient Positioning, Food Safety and Sanitation, Endocrinology, Biochemistry
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Integrated Development Environments, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Data Maintenance, Configuration Management, System Configuration, Data Management, Data Storage, Data Integrity, Database Management, Performance Tuning, System Monitoring, Data Pipelines, Disaster Recovery, Continuous Monitoring
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Project Scoping, Engineering Management, Team Leadership, Stakeholder Analysis, Team Management, Resource Management, Project Management, Communication Strategies, Project Planning, Stakeholder Management, Project Coordination, Agile Project Management, Communication, Business Communication
Build toward a degree
Beginner · Course · 1 - 4 Weeks
The University of North Carolina at Chapel Hill
Skills you'll gain: Environmental Laws, Environmental Policy, Environmental Regulations, Environmental Issue, Environment, Law, Regulation, and Compliance, Case Law, Pollution Prevention, Hazard Analysis, Water Quality, Water Resource Management, Legal Research, Climate Change Mitigation
Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Problem Solving, Research, Political Sciences, Policy Analysis, Systems Analysis, Case Studies, Persuasive Communication, Critical Thinking, Simulations, Scientific Methods, Mathematical Modeling, Applied Mathematics, Human Learning
Beginner · Course · 1 - 3 Months

Lund University
Skills you'll gain: Climate Change Adaptation, Sustainable Development, Sustainable Design, Governance, Water Sustainability, Sustainable Technologies, Environment, Systems Thinking, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Business Modeling, Stakeholder Engagement
Beginner · Course · 1 - 3 Months