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.

Yonsei University
Skills you'll gain: Language Learning, Grammar, Writing, Vocabulary, Literacy, Oral Comprehension, Culture
★ 4.9 (53K) · Beginner · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Email Security, Digital Forensics, Network Security, Cloud Infrastructure, Incident Response, Incident Management, Cloud Platforms, Business Continuity Planning, Penetration Testing, Computer Security Incident Management, Business Continuity, Security Controls, Generative AI, Configuration Management, Data Storage, Peripheral Devices, Cybersecurity, Application Security, Information Technology, Cryptography
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Django (Web Framework), Bootstrap (Front-End Framework), Version Control, Restful API, Responsive Web Design, Cascading Style Sheets (CSS), Unix Commands, Jest (JavaScript Testing Framework), JSON, Web Development Tools, Git (Version Control System), Hypertext Markup Language (HTML), Back-End Web Development, React.js, API Testing, GitHub, Object Oriented Programming (OOP), HTML and CSS, Mobile Development, Python Programming
★ 4.7 (25K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Paid media, Social Media Management, Online Advertising, Search Engine Optimization, Performance Measurement, Spreadsheet Software, Client Services, Campaign Management, E-Commerce, Loyalty Programs, Marketing, Web Presence, Interviewing Skills
★ 4.8 (51K) · Beginner · Professional Certificate · 3 - 6 Months

MedCerts
Skills you'll gain: Medical Terminology, Healthcare Ethics, Basic Patient Care, Conflict Management, Anatomy, Pathology, Direct Patient Care, Occupational Safety and Health Administration (OSHA), Cultural Responsiveness, Patient-centered Care, Personal protective equipment, Patient Communication, Vital Signs, Hand Hygiene, Patient Safety, Personal Care, Patient Positioning, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Pain Management, Infection Control
★ 4.8 (1.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Network Security, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Cyber Threat Intelligence, Threat Management, Security Awareness, Incident Response, Cybersecurity, Network Protocols, Endpoint Detection and Response, Threat Detection, Bash (Scripting Language), Debugging, Linux, Web Presence, Python Programming, SQL
★ 4.8 (68K) · Beginner · Professional Certificate · 3 - 6 Months

L&T EduTech
Skills you'll gain: Fire And Life Safety, Building Codes, Pump Stations, Schematic Diagrams, Blueprint Reading, Process Flow Diagrams, Construction, Hydraulics, Safety Standards, Plumbing, Equipment Design, Safety Assurance, Building Services Engineering, Building Design, Facility Management and Maintenance, Engineering Drawings, Hazard Communication (HazCom), Safety and Security, Structural Analysis, Hazard Analysis
★ 4.6 (129) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Cybersecurity, Security Controls, Cyber Attacks, Security Management, Security Strategy, Cyber Risk, Security Information and Event Management (SIEM), Information Assurance, Data Ethics, Network Analysis
★ 4.8 (42K) · Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Epidemiology, Surveys, Public Health, Public Health and Disease Prevention, Infection Control, Community Health, Community Outreach, Survey Creation, Emergency Response, Health Equity, Health Disparities, Research, Qualitative Research, Research Design, Research Methodologies, Data Collection
Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: English Language, Language Competency, Vocabulary, Writing, Business Writing, Oral Expression, Interviewing Skills, Language Learning, Verbal Communication Skills, Business Correspondence, Concision, Social Skills, Professional Networking, Rapport Building, Communication, Professionalism, Recruitment
★ 4.8 (17K) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Trauma Care, Emergency Medical Services, Patient Evaluation, Triage, Emergency Response, Clinical Assessment, First Aid, Patient Transport, Wound Care, Physiology, Anatomy
★ 4.8 (486) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Browser Compatibility, Web Development Tools, Javascript, Bootstrap (Front-End Framework), Web Design and Development, Debugging, Front-End Web Development, Verification And Validation, Web Development, Mockups, Interactive Design, Event-Driven Programming, Web Frameworks
★ 4.7 (35K) · Beginner · Specialization · 3 - 6 Months