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.

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Building Design, Vibrations, SketchUp (3D Modeling Software), Engineering Analysis, Mechanics, Construction, Mathematical Modeling, Failure Analysis, 3D Modeling
★ 4.9 (49) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, MySQL, Database Design, SQL, Database Development, Database Systems, Database Management, Relational Databases, Databases, Data Integration, Data Manipulation, Business Intelligence
★ 4.4 (31) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Intellectual Property, Research, Trustworthiness, Rapport Building, Research Methodologies, Personal Development, General Science and Research, Research Design, Research and Design, Honesty, Curiosity, Science and Research, Personal Integrity, Professional Development, Communication Strategies, Peer Review, Problem Solving, Psychosocial Assessments, Persistence, Ethical Standards And Conduct
★ 4.8 (15) · Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Cloud Management, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management
★ 4.9 (28) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Responsible AI, AI Security, Human Centered Design, Data Ethics, Model Evaluation, Artificial Intelligence, AI literacy, Data Preprocessing
★ 4.2 (57) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Code Reusability, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Memory Management
★ 4.4 (35) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Clinical Assessment, Vital Signs, Health Technology, Patient Preparation, Patient Coordination, Patient Education And Counseling, Health Assessment, Patient-centered Care, Patient Treatment, Primary Care, Health Care, Health Systems, Telecommunications, Patient Evaluation, Care Management, Communication
★ 4.9 (49) · Beginner · Specialization · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
★ 3.4 (29) · Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Patient Evaluation, Nursing Process, Perioperative Care, Nurse Education, Nursing Care, Nursing Management, Health Assessment, Nursing, Oncology, Clinical Nursing, Medical Surgical Nursing, Patient Education And Counseling, Diagnostic Tests, Public Health and Disease Prevention, Preventative Care, Radiation Therapy, Surgery, Pathology, Patient Treatment, General Medical Tests and Procedures
★ 4.7 (34) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Nutritional Assessment, Nutrition and Diet, Food and Beverage, Social Determinants Of Health, Sustainable Development, Health Assessment, Environment, Sustainability Standards, Spreadsheet Software, Environment and Resource Management, Environmental Science, Risk Analysis, Cultural Diversity
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Business, Environmental Policy, Environmental Issue, Environmental Regulations, Environment, Environment and Resource Management, Climate Change Programs, Climate Change Mitigation, Financial Policy, Cost Benefit Analysis, Energy and Utilities, Economics, Oil and Gas, Policy Analysis, Market Dynamics, Public Policies, Decision Making
★ 4.8 (28) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Malware Protection, Threat Detection, Network Analysis, AI Security, Cybersecurity, Model Evaluation, Network Security, Machine Learning Methods, Classification Algorithms, Microsoft Windows
★ 4.7 (24) · Intermediate · Course · 1 - 4 Weeks