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: API Gateway, Restful API, API Design, Application Programming Interface (API), Cloud API, Google Cloud Platform, Application Lifecycle Management, Proxy Servers, Software Documentation, Application Development, Enterprise Architecture, Development Environment, Application Deployment, Authorization (Computing), Authentications, Debugging
★ 4.7 (2.4K) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JSON, Generative AI, Database Design, UI Components, Web Development, Full-Stack Web Development
★ 4.6 (923) · Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Blockchain, FinTech, Interoperability, Payment Systems, Financial Inclusion, Financial Systems, Cryptography, Financial Regulations, Digital Assets, Cryptographic Protocols, Banking, Encryption, Transaction Processing, Data Integrity, Governance
★ 4.8 (1.6K) · Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Patient Evaluation, Trauma Care, Wound Care, Orthopedics, Rehabilitation, Surgery, Patient Treatment, Clinical Assessment, Emergency Medicine, Anatomy, Treatment Planning, Critical Care, Medical Imaging
★ 4.8 (66) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Stored Procedure, MySQL Workbench, SQL, Data Cleansing, Data-Driven Decision-Making, MySQL, Exploratory Data Analysis, Database Design, Data Presentation, Data Manipulation, Data Integration, Relational Databases, Data Import/Export, Database Management, Query Languages, Database Software, Report Writing, GitHub, Performance Tuning, Jupyter
★ 4.6 (985) · Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Logical Reasoning, Data Analysis, Deductive Reasoning, Analytical Skills, Analysis, Experimentation, Critical Thinking, Data Literacy, Critical Thinking and Problem Solving, Statistical Methods, Bayesian Statistics, Science and Research, Research Design, Behavioral Economics, Decision Making, Cognitive flexibility, Regression Analysis, Statistical Inference, Forecasting, Adaptability
★ 4.8 (1.5K) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Wireframing, Web Content Accessibility Guidelines, Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Front-End Web Development, User Interface (UI), Verification And Validation, Cascading Style Sheets (CSS), Web Development, Hypertext Markup Language (HTML), Development Testing, Application Frameworks, Code Review, Web Frameworks, Javascript
★ 4.8 (1.8K) · Beginner · Course · 1 - 3 Months

Emory University
Skills you'll gain: Consulting, Management Consulting, Business Consulting, Consultative Approaches, Problem Solving, Analysis, Client Services, Business Analytics, Business Strategies, Organizational Change, Decision Making, Complex Problem Solving
★ 4.8 (1.7K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Electocardiography, Cardiac Dysrhythmia, Cardiac Surgery, Chronic Diseases, Hemodynamics, Patient Education And Counseling, Cardiology, Medical Surgical Nursing, Care Management, Cardiac Stress Testing, Patient Observation, Nursing, Patient Evaluation, Life Support, Electrophysiology, Care Coordination, Patient Education and Support, Anatomy, Physiology, Clinical Nursing
★ 5 (23) · Intermediate · Specialization · 1 - 3 Months
Michigan State University
Skills you'll gain: Design Elements And Principles, Photography, Photo Editing, Image Quality, Photo/Video Production and Technology, Post-Production, File Management, Visual Storytelling, Editing
★ 4.7 (1.3K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Market Research, User Story, Competitive Intelligence, User Interface and User Experience (UI/UX) Design, Usability, Persona Development, Microsoft Copilot, Product Development, Market Analysis, UI/UX Strategy, New Product Development, Product Management, Product Lifecycle Management, Design Thinking, Product Roadmaps, Data Ethics, Law, Regulation, and Compliance, Responsible AI, Data Governance
★ 4.5 (413) · Beginner · Specialization · 3 - 6 Months

University of Geneva
Skills you'll gain: Physics, electromagnetics, Laboratory Equipment, Physical Science, Radiation Protection, Science and Research, Experimentation, Research, Mathematical Modeling, Applied Mathematics
★ 4.4 (966) · Mixed · Course · 1 - 3 Months