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.

Erasmus University Rotterdam
Skills you'll gain: Stakeholder Analysis, Stakeholder Management, Stakeholder Engagement, Performance Measurement, Market Opportunities, Business Modeling, Sustainable Development, Environmental Issue, New Business Development, Key Performance Indicators (KPIs), Sustainable Business, Sustainable Systems, Land Management, Corporate Sustainability, Environmental Resource Management, Systems Analysis, Financial Analysis, Systems Thinking, Environment and Resource Management, Business Architecture
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Advanced Mathematics, Integral Calculus, Calculus, Mathematical Theory & Analysis, Differential Equations, Applied Mathematics, Trigonometry, Mathematical Modeling, Linear Algebra, Physics, Numerical Analysis, Derivatives
★ 4.7 (35) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, Microservices, User Interface (UI), User Interface and User Experience (UI/UX) Design, DevOps, UI Components, User Interface (UI) Design, UI/UX Strategy, Secure Coding, Development Testing, Mobile Development Tools, Unit Testing, Software Testing, Application Development, Ajax, Authentications, Version Control
★ 4.2 (56) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

Board Infinity
★ 4 (69) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Chemical Engineering, Chemistry, Thermal Management, Mechanical Engineering, Process Engineering, Analytical Chemistry, Engineering Calculations, Numerical Analysis, Differential Equations, Physics, Applied Mathematics, Simulation and Simulation Software, Energy and Utilities
★ 4.4 (83) · Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
★ 4.6 (54) · Beginner · Project · Less Than 2 Hours

ISAE-SUPAERO
Skills you'll gain: Mechanical Engineering, Mechanics, Engineering Analysis, Engineering Calculations, Engineering, Mathematical Modeling, Physics
★ 4.7 (64) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Anthropology, Healthcare Ethics, Social Sciences, Culture, Environment, Laboratory Research, General Science and Research, Sociology, Social Justice, Ethical Standards And Conduct, Health Care, Food and Beverage, Social Impact, Nutrition and Diet, Advocacy
★ 4.7 (71) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Model Training, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Model Optimization, Machine Learning, Computer Vision
★ 4.7 (78) · Intermediate · Guided Project · Less Than 2 Hours

Yale University
Skills you'll gain: Environmental Issue, Environment, Biology, Environment and Resource Management, Social Justice, Culture, Natural Resource Management, International Relations, Sustainable Development, Sustainable Systems, Life Sciences, Anthropology, World History, Intercultural Competence, Liberal Arts, Ethical Standards And Conduct, Cultural Diversity, European History, Climate Change Mitigation, Advocacy
★ 4.8 (65) · Beginner · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Acute Care, Medical Emergency, Triage, Emergency Medical Services, Emergency Services, Emergency Nursing, Emergency Departments, Urgent Care, Emergency Medicine, Hospital Medicine, Neurology, Care Coordination, Patient Evaluation, Patient Treatment, Health Assessment, Diagnostic Tests, Clinical Assessment
★ 4.8 (123) · Intermediate · Course · 1 - 4 Weeks