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 Design, Restful API, API Gateway, Application Programming Interface (API), Cloud API, Application Lifecycle Management, Proxy Servers, Software Documentation, Application Deployment, Cloud Deployment, Authentications
★ 4.7 (2.4K) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Model View Controller, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Linux, Linux Commands, Application Deployment, Django (Web Framework), Cloud Deployment, Web Applications, Command-Line Interface, Web Servers, Web Development, SQL, Database Management, Python Programming, Software Installation
★ 4.7 (1.9K) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data-Driven Marketing, Email Marketing, Goal Setting, Marketing Analytics, Marketing Strategies, Marketing Effectiveness, Data-Driven Decision-Making, Campaign Management, Performance Metric, Dashboard, Key Performance Indicators (KPIs), Performance Analysis
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Financial Policy, Banking, Capital Markets, Financial Trading, Economics, Market Liquidity, Financial Regulation, Credit Risk, Market Dynamics
★ 4.9 (1.7K) · Mixed · Course · 3 - 6 Months

Columbia University
Skills you'll gain: Project Schedules, Production Schedule, Project Risk Management, Scheduling, Risk Management, Construction Management, Timelines, Lean Methodologies, Construction, Production Planning, Project Estimation, Diagram Design, Project Management Software, Dependency Analysis, Probability & Statistics
★ 4.8 (2.3K) · Beginner · Course · 3 - 6 Months

Duke University
Skills you'll gain: Blockchain, Loans, Lending and Underwriting, FinTech, Payment Systems, Cyber Risk, Operational Risk, Scalability, Regulatory Compliance, Interoperability, General Lending, Risk Management, Financial Inclusion, Financial Regulation, Legal Risk, Derivatives, Key Management, Finance, Entrepreneurial Finance, Entrepreneurship
★ 4.8 (2.1K) · Intermediate · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Health Disparities, Public Health and Disease Prevention, Health Systems, Public Health, Epidemiology, Social Determinants Of Health, Health Equity, Infectious Diseases, Chronic Diseases, Health Policy, Medical Science and Research, Nutrition and Diet, Demography
★ 4.8 (2.2K) · Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, GitHub Copilot, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Enablement, AI literacy, Software Documentation, Scenario Testing, Document Management, Artificial Intelligence, AI Workflows, Collaborative Software, AI Integrations, Document Control, Content Development and Management, Content Management, Digital Content
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agentic systems, Artificial Intelligence, Algorithms, Decision Intelligence, Computational Thinking, Graph Theory, Performance Tuning
Beginner · Course · 1 - 3 Months

University of Miami
Skills you'll gain: Materials science, Manufacturing Processes, Engineering, Biomedical Engineering, Chemical Engineering, Biomedical Technology, Biological Engineering, Biotechnology
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Vibe coding, Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, Software Development Tools, AI Security, Generative AI Agents, Software Engineering Tools, Generative AI, Software Engineering, Software Development, Software Documentation, Secure Coding, Software Design, Software Architecture, Software Testing, Full-Stack Web Development, Web Design and Development, Web Development, Computer Science
Intermediate · Course · 1 - 3 Months