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 Pittsburgh
Skills you'll gain: Educational Materials, Web Content Accessibility Guidelines, Disabilities, Education and Training, Adaptive Equipment, Instructional Design, Education Software and Technology, Case Studies, Diversity Training, Student Support and Services, Student Services, Diversity Awareness, Higher Education, Diversity Equity and Inclusion Initiatives
★ 4.6 (333) · Mixed · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Pediatric Nursing, Infant Care, Pediatrics, Child Health, Pediatric First Aid, Nutrition and Diet, Nursing Care, Working With Children, Clinical Nutrition, Oral Health, Preventative Care, Public Health and Disease Prevention, Toileting, Infectious Diseases, Dental Care, Respiratory Care, Airway Management, Immunology, Infection Control, Heimlich Maneuver
★ 4.9 (21) · Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, IT Security Architecture, Network Security, Disaster Recovery, Application Security, Cyber Operations, Cryptography, Cyber Security Assessment, Information Systems Security, Cyber Risk, Encryption, Secure Coding, Systems Development Life Cycle, Security Controls, Cyber Governance, Security Management, Cyber Security Policies, Infrastructure Security, Security Awareness, Cryptographic Protocols
★ 4.3 (2.4K) · Beginner · Course · 1 - 3 Months
Rice University
Skills you'll gain: Behavioral Economics, Portfolio Management, Investments, Wealth Management, Portfolio Risk, Financial Market, Investment Management, Asset Management, Market Dynamics, Decision Making, Market Analysis, Financial Trading, Equities
★ 4.6 (285) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Medical Record System, Medical Records, Electronic Medical Record, Health Information Management and Medical Records, Health Information Management, Patient Registration, Data Entry, Health Informatics, Electronic Data Capture (EDC), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Integrity, Health Technology, Data Validation, Data Quality, Computerized Physician Order Entry, Clinical Documentation, Practice Management Software, Record Keeping, Care Coordination, Regulatory Compliance
Intermediate · Specialization · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Building Codes, Electrical Wiring, Construction Inspection, Electrical Power, Electric Power Systems, HVAC, Electrical Equipment, Power Electronics, Engineering Calculations, Architectural Design, Basic Electrical Systems, Electrical Safety, Engineering Practices, Mechanical Design, Energy and Utilities, Architectural Engineering, Systems Analysis, Construction, Land Development
★ 4.7 (1.5K) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Algebra, Advanced Mathematics, Applied Mathematics, Arithmetic, Deductive Reasoning, Analytical Skills, Mathematical Modeling, Geometry, Graphing
★ 4.9 (176) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Governance, Security Strategy, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, IT Security Architecture, Computer Security Incident Management, Business Continuity, Disaster Recovery, Cyber Security Policies, Incident Response, Data Governance, IT Management, Cybersecurity, Contingency Planning, Governance, Cyber Risk, Leadership Studies, Leadership
★ 4.5 (151) · Beginner · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Regression Analysis, Correlation Analysis, Statistical Software, Statistical Analysis, Statistical Methods, Probability & Statistics, Analysis, Data Analysis, Statistics, Descriptive Statistics, Data Literacy
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Infectious Diseases, Patient Treatment, Diagnostic Tests, Bloodborne Pathogens, Health Disparities, Infection Control, Patient Education and Support, Laboratory Testing, Public Health and Disease Prevention, Chronic Diseases, Nursing and Patient Care, Preventative Care, Health Equity, Health Education, Public Health, Mental Health Diseases and Disorders, Health Policy, Social Sciences, Microbiology, Cultural Diversity
★ 4.8 (426) · Beginner · Course · 1 - 3 Months

The Museum of Modern Art
Skills you'll gain: Culture, Diversity Marketing, Community Development, Intercultural Competence, Brand Marketing, Non-Verbal Communication, Art History, Drive Engagement, Diversity and Inclusion, Aesthetics, Market Trend, Creativity, Trend Analysis, Photography, Personal Development, Critical Thinking
★ 4.8 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, IT Security Architecture, Information Systems Security, Local Area Networks, Cyber Attacks, Computer Security, Linux Commands, Windows PowerShell, Security Controls, Hardening, Vulnerability Scanning, Endpoint Security, Threat Detection, Linux, Network Architecture, Wireless Networks, Network Analysis
★ 4.4 (16) · Intermediate · Course · 1 - 4 Weeks