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.

The Chinese University of Hong Kong
Skills you'll gain: Culture, Social Studies, Ancient History, Liberal Arts, World History, Cultural Diversity, Anthropology, Sociology, Political Sciences, Economics, Governance
★ 4.5 (50) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
★ 4.5 (54) · Beginner · Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Cyber Attacks, Security Strategy, Cyber Security Policies, Security Management, Information Privacy, Infrastructure Security, Risk Management, Dependency Analysis
★ 4.8 (53) · Beginner · Course · 1 - 3 Months

Board Infinity
★ 3.8 (29) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Integrity, Data Collection, Data Processing, Data Strategy, Data Analysis, Data Management, Data Preprocessing, Data Access, Statistical Analysis, Analysis, Sampling (Statistics), Verification And Validation, Design Strategies
★ 4.6 (60) · Beginner · 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
★ 4.6 (57) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Physics, Physical Science, General Science and Research, Scientific Methods, Environment, Scientific Visualization, Safety Assurance, electromagnetics, Science and Research, Research, Personal protective equipment, Energy and Utilities
★ 4.7 (69) · Beginner · Course · 1 - 3 Months

Capitals Coalition
Skills you'll gain: Stakeholder Engagement, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Business Risk Management, Stakeholder Management, Enterprise Risk Management (ERM), Sustainable Development, Natural Resource Management, Environment and Resource Management, Sustainability Standards, Risk Analysis, Environmental Resource Management, Human Capital, Risk Management, Decision Making, Problem Solving, Business Communication, Project Scoping
★ 4.7 (53) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Grant Writing, Institutional Review Board (IRB), Grant Applications, Proposal Writing, Proposal Development, Clinical Research Ethics, Medical Science and Research, Research Design, Resource Allocation, Peer Review, Budgeting, Constructive Feedback
★ 4.8 (36) · Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Animations, 3D Modeling, 3D Assets, Computer Graphics, Visualization (Computer Graphics), Timelines, Graphics Software, User Interface (UI), File Management, Software Installation
★ 4 (22) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Writing, Writing and Editing, Creativity
★ 4.6 (47) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: New Product Development, Product Development, Design Thinking, Market Research, Revenue Forecasting, Market Opportunities, Quantitative Research, Customer Insights, User Research, Consumer Behaviour, Ideation, Market Analysis, Target Market, Forecasting, Innovation, Target Audience, Needs Assessment, Analysis, Data Collection, Decision Making
★ 3.7 (33) · Mixed · Course · 1 - 3 Months