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.

University of Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Convolutional Neural Networks, Machine Learning Methods, Data Ethics, Microsoft Excel, Generative AI, Excel Formulas, Responsible AI, Data Transformation, Linear Algebra, Feature Engineering, Digital Signal Processing
Build toward a degree
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Scripting Languages, IT Automation, Unix, Linux, File I/O, File Management
Intermediate · Guided Project · Less Than 2 Hours

University of Copenhagen
Skills you'll gain: European History, Immigration Law, Political Sciences, Cultural Diversity, Social Justice, Policy Analysis, International Relations, Case Law, Social Sciences, Public Policies, Advocacy, Law, Regulation, and Compliance, Governance
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, UI Components, Web Design, Web Design and Development, Front-End Web Development, Animations, Mockups, User Interface (UI), User Interface (UI) Design, Web Development, Debugging
Intermediate · Specialization · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Purchasing, Procurement, Strategic Sourcing, Supply Management, Supply Chain, Supply Chain Management
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Large Language Modeling, LLM Application, Prompt Patterns, Prompt Engineering, Microsoft Azure, OpenAI API, Retrieval-Augmented Generation, OpenAI, Model Deployment, Risk Management Framework, MLOps (Machine Learning Operations), Embeddings, Cloud Deployment, Application Deployment, Python Programming
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Forecasting, Time Series Analysis and Forecasting, Case Studies, Business Metrics, Predictive Modeling, Strategic Thinking, Data-Driven Decision-Making, Microsoft Excel, Decision Making, Estimation, Data Analysis, Data Visualization
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
Beginner · Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Culture, International Relations, Finance, Diplomacy, Social Impact, Cultural Diversity, Social Sciences, Socioeconomics, Economics, Policy, and Social Studies, Social Justice, World History, Governance, Community Development, Advocacy, Data Analysis, Economic Development, Diversity Equity and Inclusion Initiatives
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Environmental Issue, Sustainable Development, Sustainable Systems, Pollution Prevention, Environment and Resource Management, Climate Change Mitigation, Environmental Policy, Environmental Science, Systems Thinking, Climate Change Adaptation, Natural Resource Management, Community Development, Biology, Energy and Utilities, Economics, Policy, and Social Studies, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Records, Medical Office Procedures, Health Information Management and Medical Records, Health Information Management, Patient Coordination, Patient Registration, Care Coordination, Patient-centered Care, Medical Billing and Coding, Medical Support, Medical Billing, Emergency Response, Healthcare Ethics, Patient Communication, Health Care Administration, Healthcare Industry Knowledge
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Simulation and Simulation Software, Differential Equations, Mechanics, Calculus
Intermediate · Course · 1 - 4 Weeks