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.

Skills you'll gain: Cybersecurity, Windows Servers, Cyber Attacks, Microsoft Windows, Information Systems Security, Data Security, Computer Security Awareness Training, Personally Identifiable Information, Security Controls, Application Security, Security Awareness, Endpoint Security, Threat Detection, Malware Protection, Hardening, Information Privacy, Cryptography, Email Security, Encryption, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Sociology, Social Sciences, Economics, Policy, and Social Studies, Social Work, Public Policies, Cultural Diversity, Surveys, Qualitative Research, Data Collection, Research
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Agile Project Management, Agile Methodology, User Story, Sprint Planning, Sprint Retrospectives, Backlogs, Project Management Software, Team Management, Continuous Improvement Process, Customer Engagement
Beginner · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Blockchain, Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Authentications, FinTech, Transaction Processing, Emerging Technologies, Data Structures, Data Integrity, Verification And Validation
Intermediate · Course · 1 - 3 Months

American Council on Exercise
Skills you'll gain: Nutrition Education, Nutrition and Diet, Mental Health, Nutrition Counseling, Mindfulness, Exercise Science, Rehabilitation, Mental Concentration, Community Health, Preventative Care, Health Education, Health Promotion, Health Technology, Injury Prevention, Athletic Training, Stress Management, Clinical Nutrition, Behavioral Health, Personal Development, Behavior Management
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Financial Statements, Financial Statement Analysis, Inventory Accounting, Balance Sheet, Income Statement, Financial Accounting, Financial Reporting, Financial Analysis, Accounting, Depreciation, Fixed Asset, Accounts Receivable, Cash Flows, Equities, Tax
Mixed · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Generative AI Agents, Large Language Modeling, Software Development Tools, IntelliJ IDEA, LLM Application, Artificial Intelligence, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Software Development, Code Review, Integrated Development Environments, Generative AI, Computer Programming, Software Development Life Cycle
Beginner · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: JSON, Data Structures, Computational Thinking, Data Analysis, Data Visualization Software, Scripting, Javascript, Data Processing, Unsupervised Learning, Data Science, Data Modeling, Machine Learning, Computer Programming, Algorithms, Software Development
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Transportation Operations, Governance, Technical Management, Systems Thinking, Emerging Technologies, Technology Strategies, Innovation, Infrastructure Architecture, Internet Of Things, Digital Transformation, Data Management, Sustainable Development
Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Mathematical Modeling, Engineering, Mechanics, Automation, 3D Modeling, Engineering Analysis, Virtual Environment, Simulation and Simulation Software, Matlab, Control Systems, Applied Mathematics, Linear Algebra, Computer Programming Tools
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Electrical Engineering, Basic Electrical Systems, Electronic Components, Network Analysis, Electronics, Engineering Analysis, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Intrusion Detection and Prevention, Network Security, Virtual Private Networks (VPN), Cyber Security Policies, Cloud Security, Threat Detection, Performance Tuning
Intermediate · Course · 1 - 3 Months