First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

Skills you'll gain: Figma (Design Software), Usability Testing, Responsive Web Design, User Interface (UI), Journey Mapping, Interactive Design, User Experience Design, Usability, Wireframing, User Interface (UI) Design, Prototyping, User Experience, User Flows, UI/UX Strategy, Design Research, Front-End Web Development, Web Design and Development, Mockups, User Interface and User Experience (UI/UX) Design, Interaction Design
★ 4.4 (420) · Intermediate · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Software Documentation, Programming Principles, Computer Programming, Embedded Software, Computer Programming Tools, Computational Logic, Linux
★ 4.6 (266) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, General Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Token Optimization, Securities (Finance), Digital Assets, Liquidation, Portfolio Management
★ 4.9 (315) · Intermediate · Course · 1 - 4 Weeks
The University of Edinburgh
Skills you'll gain: Liberal Arts, Deductive Reasoning, Scientific Methods
★ 4.8 (206) · Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Cash Flow Forecasting, Financial Forecasting, Cash Flows, Business Valuation, Excel Formulas, Microsoft Excel, Capital Budgeting, Forecasting, Finance, Financial Modeling, Financial Analysis, Corporate Finance
★ 4.3 (340) · Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
★ 4.8 (291) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Clinical Nursing, Basic Nursing Skills, Patient Observation, Patient-centered Care, Nursing Care, Infection Control, Patient Evaluation, Patient Communication, Emergency Response, Nursing Process, Clinical Assessment, Medical Emergency, Nursing, Nursing Practices, Health Assessment, Communication, Medical Equipment and Technology, Health Care, Healthcare Ethics, Anatomy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Respiration, Respiratory Care, Respiratory Therapy, Pulmonology, Clinical Practices, Patient Evaluation, Airway Management, Capillary, Anatomy, Physiology, Patient Treatment, Immunology, Medical Terminology, Diagnostic Tests, Infectious Diseases
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Social Sciences, Network Analysis, Data Science, Machine Learning, Machine Learning Methods, Computational Thinking, Economics, Policy, and Social Studies, Artificial Intelligence, Data Analysis, Social Impact, Simulations, Big Data, Data Collection, Scientific Methods, Digital Analysis, Digital Transformation
★ 4.7 (354) · Beginner · Course · 1 - 4 Weeks
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Economics, Policy, and Social Studies, Demand Planning, Resource Allocation, Market Analysis, Policy Analysis, Decision Making, Investment Management
★ 4.6 (272) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, Interactive Design, Program Development, FinTech, Command-Line Interface
★ 4.7 (188) · Intermediate · Course · 1 - 4 Weeks
University of Cape Town
Skills you'll gain: Visual Impairment Education, Differentiated Instruction, Teaching, Special Education, Curriculum Planning, Curriculum Development, Adaptive Equipment, Educational Materials, Disabilities, Instructional Strategies, Education Software and Technology, Student Support and Services, Working With Children, Empathy & Emotional Intelligence, Team Collaboration
★ 4.9 (197) · Beginner · Course · 1 - 4 Weeks