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 Colorado Boulder
Skills you'll gain: Value Propositions, Social Media Marketing, Market Research, Social Media Strategy, Strategic Planning, Search Engine Optimization, Marketing Operations, Competitive Analysis, Data-Driven Decision-Making, Consumer Behaviour, Business Modeling, Customer Analysis, Web Analytics and SEO, Operations Management, Technical Management, Marketing Management, Digital Marketing, Branding, Google Ads, Forecasting
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Automation, Agentic systems, System Requirements, Robotics, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Design, Relational Databases, Database Application, Microsoft SQL Servers, Data Integrity, Databases, Database Management, Data Modeling, Visual Basic (Programming Language), Application Development, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

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: Phlebotomy, Blood Collection, Urinalysis, Patient Education And Counseling, Geriatrics, Electocardiography, Pediatrics, Specimen Collection, Cardiology, Medical Assistance, Patient Preparation, Diagnostic Tests, Basic Patient Care, Patient Communication, Infection Control
Beginner · Course · 1 - 4 Weeks

Parsons School of Design, The New School
Skills you'll gain: Economics, Policy, and Social Studies, Socioeconomics, Economics, Market Dynamics, Social Justice, Economic Development, Labor Relations, Sustainable Development, International Relations, World History, Global Marketing, Behavioral Economics, Innovation, Leadership, Critical Thinking, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Financial Data, Financial Analysis, Data-Driven Decision-Making, Financial Statements, Market Intelligence, Trend Analysis, Unstructured Data, Investment Management, Financial Market, Artificial Intelligence, Analysis, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Cardiology, Anatomy, Immunology, Hematology, Hemodynamics, Capillary, Pathology, Physiology
Intermediate · Course · 1 - 3 Months

Council on Foreign Relations
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Energy and Utilities, Social Justice, Environmental Issue, Sustainable Development, Environmental Policy, Emerging Technologies, Sustainable Technologies, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Financial Forecasting, Statistical Analysis, Machine Learning, Trend Analysis, Financial Data, Financial Modeling, Jupyter, Predictive Modeling, GitHub, Statistical Modeling, NumPy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Generative AI, Natural Language Processing, Robotics, Business Logic, Risk Mitigation
Beginner · Course · 1 - 4 Weeks