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: Electronics, Communication Systems, Digital Communications, Telecommunications, Digital Signal Processing, Electronic Components, Hardware Troubleshooting, Computer Hardware, Network Analysis
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Advanced Analytics, Budget Management, Hotel And Restaurant Management, Hospitality Management, Budgeting, Financial Forecasting, Hospitality, Variance Analysis, Forecasting, Hotel Operations, Operating Budget, Corporate Sustainability, Revenue Management, Sustainable Business, Financial Analysis, Performance Analysis, Sustainability Reporting, Analysis, Performance Metric, Strategic Decision-Making
★ 5 (7) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Pain Management, Public Health, Health Policy, Public Health and Disease Prevention, Substance Abuse, Research, Hospice, Epidemiology, Chronic Diseases, Oncology, Pharmacology, Mental Health, Pharmacotherapy, Medication Therapy Management, Nutrition and Diet
★ 4.7 (152) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, LLM Application, Generative AI Agents, AI Workflows, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), Agentic Workflows, Large Language Modeling, Tool Calling, Agentic systems, Debugging, Verification And Validation, Quality Assurance
Intermediate · Course · 1 - 4 Weeks
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Economics, Policy, and Social Studies, Resource Allocation, Market Analysis, Policy Analysis, Public Policies, Decision Making, Investment Management
★ 4.6 (276) · Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Court Systems, Legal Proceedings, Adjudication, Legal Strategy, Legal Hearings, Criminal Investigation and Forensics, Political Sciences, International Relations, Case Law, Law, Regulation, and Compliance, Policy Analysis, Research, and Development, Investigation, Case Studies, Child Development
★ 4.8 (733) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Probability & Statistics, Statistical Analysis, Advanced Mathematics, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Applied Mathematics, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Infectious Diseases, Immunology, Molecular, Cellular, and Microbiology, Pathology, Epidemiology, Microbiology, Public Health, Molecular Biology
★ 4.8 (90) · Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Liberal Arts, Ancient History, Sociology, Social Sciences, Anthropology, World History, Psychology, Scientific Methods, Science and Research
★ 4.5 (408) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Risk Analysis, Risk Management, Risk Management Framework, Project Portfolio Management, Business Risk Management, Enterprise Risk Management (ERM), Business Analysis, Risk Mitigation, Portfolio Management, Solution Design, Program Implementation, Project Implementation, Solution Architecture, Solution Delivery, Business Solutions, Business Strategies, Business Planning, System Implementation, Plan Execution, Change Management
★ 4.8 (34) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Conflict Management, Expectation Management, Collaboration, Brainstorming, Follow Through, Problem Solving, Goal Setting, Honesty
★ 4.6 (15) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Governance Risk Management and Compliance, Risk Control, Risk Management, Risk Management Framework, Compliance Management, Compliance Auditing, Cyber Governance, Enterprise Risk Management (ERM), Data Security, Information Privacy, Continuous Monitoring, Auditing, Information Systems Security, Regulatory Compliance, Risk Analysis, Governance, Document Management, Scope Management, Asset Protection
Beginner · Course · 1 - 3 Months