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.

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Microsoft Excel, Business Analytics, Risk Analysis, Business Modeling, Data Modeling, Financial Modeling, Business Analysis, Risk Management, Resource Allocation, Statistical Analysis, Decision Intelligence, Mathematical Modeling, Process Optimization, Statistical Methods, Spreadsheet Software, Predictive Analytics, Transportation Operations
★ 4.8 (4.1K) · Intermediate · Course · 1 - 3 Months

Intuit
Skills you'll gain: Bookkeeping, Ledgers (Accounting), Financial Accounting, Financial Reporting, Accounting, Financial Statements, Accounting Records, General Accounting, General Ledger, Standard Accounting Practices, Transaction Processing, Balance Sheet, Income Statement, Business Ethics, Accounting Software, Ethical Standards And Conduct, Cash Flows, Equities, Journals
★ 4.6 (6.7K) · Beginner · Course · 1 - 3 Months

MedCerts
Skills you'll gain: Medical Terminology, Human Musculoskeletal System, Medical Records, Health Information Management and Medical Records, Anatomy, Pathology, Physiology, Oncology, Trauma Care
★ 4.8 (49) · Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Video Game Development, Game Design, Software Engineering, Programming Principles, Software Development, Event-Driven Programming, Computer Programming, Code Reusability, Computational Thinking, Algorithms
★ 4.7 (3.9K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, ChatGPT, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Augmented and Virtual Reality (AR/VR), Machine Learning, Data Synthesis
★ 4.6 (4.6K) · Beginner · Course · 1 - 4 Weeks
University of California, Santa Cruz
Skills you'll gain: Programming Principles, Program Development, Computational Logic, Memory Management
★ 4.5 (6.8K) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Responsive Web Design, Hypertext Markup Language (HTML), Web Development Tools, Web Development, Typography, Programming Principles, Debugging
★ 4.8 (9.7K) · Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Cryptographic Protocols, Network Protocols, Payment Systems, Distributed Computing, Virtual Environment, Data Integrity, Virtual Machines, Algorithms, Verification And Validation, User Accounts
★ 4.6 (7.8K) · Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Sterilization, Medical Terminology, Infection Control, Asepsis, Pathology, Hand Hygiene, Sterile Procedure, Anatomy, Occupational Safety and Health Administration (OSHA), Health And Safety Standards, Sanitation, Medical History Documentation, Diagnostic Tests, Safety Standards, Physiology, Patient Communication, Infectious Diseases
★ 4.9 (35) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Dashboard Creation, Data Ethics, Data Storytelling, Visualization (Computer Graphics), Dashboard, Tableau Software, Data Sharing, Data Manipulation, Data Import/Export, Data Analysis
★ 4.5 (6.8K) · Beginner · Course · 1 - 4 Weeks
Michigan State University
Skills you'll gain: Photography, Peer Review, Photo/Video Production and Technology, Image Quality, Creativity
★ 4.8 (5.3K) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Java Programming, Object Oriented Programming (OOP), User Interface (UI), Object Oriented Design, Computer Programming, User Interface (UI) Design, Algorithms, Software Engineering, Geospatial Mapping, Programming Principles, Software Documentation
★ 4.7 (5.8K) · Intermediate · Course · 1 - 3 Months