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: Simulation and Simulation Software, Simulations, Engineering Design Process, Finite Element Methods, Engineering Analysis, Cloud Engineering, Hydraulics, Verification And Validation
★ 4.6 (294) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, Scripting, Test Tools, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
★ 4.5 (362) · Beginner · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, Interactive Design, Program Development, FinTech, Application Development, Command-Line Interface
★ 4.7 (190) · Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Mechanics, General Science and Research, Physical Science, Systems Of Measurement, Mathematical Modeling, Applied Mathematics, Scientific Visualization
★ 4.6 (173) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Performing Arts, Oral Expression, Self-Awareness, Writing, Storytelling, Creativity
★ 4.9 (221) · Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: International Finance, Economics, Financial Policy, International Relations, Economics, Policy, and Social Studies, Economic Development, Socioeconomics, Payment Systems, Social Studies, Supply And Demand, Market Dynamics, Demography, Policy Analysis, Trend Analysis
★ 4.8 (303) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Authentications, Azure Active Directory, Zero Trust Network Access, Role-Based Access Control (RBAC), Identity and Access Management, Active Directory, Single Sign-On (SSO), Authorization (Computing), User Provisioning, Microsoft Azure, Multi-Factor Authentication, Security Controls, Cyber Security Policies, IT Security Architecture, User Accounts, Enterprise Security
★ 4.4 (192) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, C# (Programming Language), Object Oriented Programming (OOP)
★ 4.1 (291) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Hazard Analysis, Chemical Engineering, Process Engineering, Safety Assurance, Risk Analysis, Risk Modeling, Risk Management, Engineering Practices, Accident Prevention, Failure Analysis, Risk Control, Process Analysis, Environment Health And Safety, Probability, Reliability
★ 4.8 (233) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Advanced Mathematics, Engineering Analysis, Applied Mathematics, Mathematical Theory & Analysis, Geometry
★ 4.7 (179) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Social Network Analysis, Network Analysis, Data Wrangling, Social Sciences, Graph Theory, Data Cleansing, Statistical Visualization, Data Manipulation, Data Visualization, Data Visualization Software, Predictive Analytics
★ 4.7 (248) · Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Maternal Health, Midwifery, Child Health, Childbirth, Postpartum Care, Prenatal Care, Health Disparities, Care Management, Health Equity, Dignity in Care, Infant Care, Patient-centered Care, Health Policy, Cultural Responsiveness, Advocacy
★ 4.8 (261) · Intermediate · Course · 1 - 3 Months