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.

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), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
★ 4.6 (917) · Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Project Finance, Construction Management, Real Estate, Commercial Construction, Cash Flows, Construction, Financial Modeling, Property and Real Estate, Cash Flow Forecasting, Risk Management, Finance, Project Risk Management, Lean Methodologies, Financial Analysis, Capital Budgeting, Financial Planning, Commercial Real Estate, Risk Analysis, Business Mathematics, Strategic Partnership
★ 4.8 (1.1K) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Event-Driven Programming, Scripting, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Event Monitoring, Data Structures, Debugging
★ 4.7 (941) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Sample Size Determination, Statistical Inference, Estimation, Business Analytics, Statistics, Probability & Statistics, Sampling (Statistics), Statistical Analysis, Microsoft Excel, Excel Formulas, Probability Distribution, Data Analysis
★ 4.8 (1.3K) · Mixed · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Financial Policy, Public Policies, Economics, Economics, Policy, and Social Studies, Economic Development, Tax, International Finance, Policy Analysis, Crisis Management, Fiscal Management, Financial Systems, Financial Market, Growth Strategies
★ 4.8 (1.1K) · Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Self-Awareness, Independent Thinking, Liberal Arts, Personal Development, Psychology, Human Development, Research, Cultural Diversity, Meditation & Breathwork, Mindfulness, Ancient History
★ 4.7 (822) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Application Deployment, Scalability, Load Balancing, Data Persistence, Data Storage, General Networking, Network Security, Configuration Management
★ 4.7 (1.3K) · Intermediate · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Peer Review, Writing and Editing, Editing, Storytelling
★ 4.5 (796) · Mixed · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Research, Science and Research, Liberal Arts, General Science and Research, Scientific Methods, Physical Science, Physics, Research Methodologies
★ 4.7 (962) · Mixed · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (786) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Planning, Plan Execution, Agentic systems, Strategic Thinking, Business Strategy, Strategic Decision-Making, Payment Systems, Governance, Financial Inclusion, Financial Services, Strategic Partnership, Financial Regulation, Ledgers (Accounting), Work Breakdown Structure, Design Elements And Principles, Cryptography, Emerging Technologies
★ 4.7 (1K) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Postpartum Care, Infant Care, Respiratory Care, Patient Evaluation, Preventative Care, Child Health, Maternal Health, Pulmonology, Health Assessment, Respiration, Vital Signs, Pediatric Nursing, Clinical Assessment, Family Support, Cardiology, Nursing Care, Pediatrics, Patient Observation, Child Development, Diagnostic Tests
★ 4.8 (1.1K) · Beginner · Specialization · 3 - 6 Months