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: Incident Response, Computer Security Incident Management, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cloud Security, Cybersecurity, Vulnerability Assessments, Cyber Attacks, Information Systems Security, Security Engineering, Metasploit, Security Strategy, Infrastructure Security, Incident Management, Vulnerability Scanning, Security Testing, Hardening, Penetration Testing, Mobile Security
Advanced · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Integration Testing, Docker (Software), Java, Cloud Deployment, Containerization, Software Design Patterns, Microservices
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scaled Agile Framework, Agile Methodology, Backlogs, Kanban Principles, Sprint Retrospectives, Sprint Planning, Project Management Institute (PMI) Methodology, Prioritization, Lean Methodologies, Project Management Life Cycle, Waterfall Methodology, Continuous Integration
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Front-End Web Development, HTML and CSS, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Web Components, Web Development Tools, UI Components, User Interface (UI), Event-Driven Programming, Maintainability, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming, Programming Principles, Software Design, Data Structures, Debugging
Beginner · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Physiology, Immunology, Infectious Diseases, Cell Biology, Respiration, Pathology, Hematology, Neurology, Cardiology, Microbiology, Molecular Biology, Oncology
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Usability, Usability Testing, User Experience Design, Human Computer Interaction, Human Centered Design, User Interface (UI), User Research, Data Collection, Research Design, Research Methodologies, Qualitative Research, Experimentation, Case Studies
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Research Methodologies, Qualitative Research, Research Design, Social Sciences, Case Studies, Statistical Analysis, Systems Thinking, Computational Logic, Regression Analysis, Political Sciences
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Oral Comprehension, Teaching, English Language, Language Competency, Language Learning
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Decision Support Systems, Solution Design, Health Information Management, Usability Testing, Healthcare Ethics, Requirements Elicitation, Electronic Medical Record, Data Capture, User Centered Design, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Performance Tuning, Performance Analysis, Microsoft Excel, Time Series Analysis and Forecasting, Microsoft Copilot, Business Intelligence, Data Modeling, Data Manipulation, Business Metrics, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Political Sciences, Public Policies, Policy Analysis, Social Sciences, International Relations, Socioeconomics, Economics, Economic Development, Governance, Culture
Beginner · Course · 1 - 3 Months