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.

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

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

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Materials science, Image Analysis, Laboratory Equipment, Laboratory Research, Quantitative Research, Scientific Visualization, Qualitative Research
★ 4.8 (18) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Disaster Recovery, Incident Management, Computer Security Incident Management, Business Continuity, Business Continuity Planning, Intrusion Detection and Prevention, Cyber Attacks, Cyber Security Policies, Investigation, Threat Detection, Contingency Planning, Digital Forensics
★ 4.6 (51) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Musical Composition, Music Theory, Music, Music Performance, Peer Review
★ 4.9 (555) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, R (Software), Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Plot (Graphics), Statistical Visualization, Data Analysis, Statistical Reporting, Data Visualization Software, Data Presentation, Data Science, Data Manipulation, Statistical Analysis, Data Wrangling, Data Cleansing, Data Integration, Communication
★ 4.7 (7) · Beginner · Course · 1 - 4 Weeks
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

Skills you'll gain: Sociology, Social Sciences, Social Studies, Culture, Human Development, Media and Communications, Psychology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Planning, Marketing Planning, Strategic Marketing, Product Strategy, Product Marketing, Marketing, New Product Development, Marketing Strategy and Techniques, Business Planning, Marketing Strategies, Marketing Management, Marketing Operations, Strategic Planning, Competitive Analysis, Promotional Strategies, Consumer Behaviour, Business Strategies, Decision Making, Value Propositions, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Supplier Quality Management, Procurement, Strategic Sourcing, Supplier Risk Management, Supply Management, Hedge Accounting, Supplier Management, Enterprise Resource Planning, Purchasing, Environmental Social And Corporate Governance (ESG), Strategic Partnership, Business Risk Management, Key Performance Indicators (KPIs), Supplier Relationship Management, Supply Chain, Risk Management, Derivatives, Organizational Structure, Consolidation, Talent Management
★ 4.6 (119) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Earned Value Management, Configuration Management, Communication Planning, Project Controls, Project Risk Management, Project Implementation, Project Management Life Cycle, Quality Assurance, Project Management, Risk Management, Communication Strategies, Conflict Management, Quality Assurance and Control, Product Quality (QA/QC), Strategic Communication, Risk Mitigation, Project Performance, Risk Analysis, Plan Execution, Stakeholder Communications
★ 5 (23) · Intermediate · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Liberal Arts, Aesthetics, European History, Research, Writing
★ 4.8 (725) · Mixed · Course · 1 - 3 Months