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.

Duke University
Skills you'll gain: Matplotlib, Data Visualization, Predictive Modeling, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Machine Learning Algorithms, Statistical Inference, Statistical Modeling, Probability & Statistics, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, React.js, Webpack, Angular, Web Development Tools, JavaScript Frameworks, Debugging, Web Applications, Vue.JS, Object Oriented Programming (OOP), JSON
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Portfolio Management, Investment Management, Investments, Tax Planning, Wealth Management, Income Tax, Risk Management, Financial Planning, Goal Setting, Equities, Financial Analysis, Decision Making, Planning
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Anthropology, Kinesiology, Anatomy, Human Musculoskeletal System, Human Development, Child Development, Orthopedics, Biology, Cultural Diversity, 3D Modeling
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Frontend Performance, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Web Analytics and SEO, Web Design and Development, Semantic Web, Browser Compatibility, Web Applications, Web Content, Responsive Web Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animation and Game Design, Animations, 3D Assets, User Interface (UI), Creativity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Development Tools, Web Design, Development Environment, Web Design and Development, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Web Content, Semantic Web, Integrated Development Environments, Typography
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Embeddings, Retrieval-Augmented Generation, Vector Databases, Text Mining, Large Language Modeling, Performance Tuning
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java), Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Goal Setting, Relationship Building, Critical Thinking
Beginner · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Political Sciences, International Relations, Social Justice, Policy Analysis, Social Sciences, World History, Culture, Diplomacy, Ethical Standards And Conduct, Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jupyter, Plot (Graphics), Model Evaluation, Microsoft Azure, Machine Learning Algorithms, Applied Machine Learning, Data Visualization, Regression Analysis
Beginner · Guided Project · Less Than 2 Hours