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.

Yonsei University
Skills you'll gain: Hospitality Management, Hospitality and Food Services, Hospitality, Customer Service, Guest Relations, Customer experience strategy (CX), Customer Relationship Management, Service Design, Healthcare Industry Knowledge, Expectation Management, Product Marketing, Service Management, Innovation, Customer experience improvement, Revenue Management, Business Marketing, Service Improvement, Hospital Experience, Marketing, Patient-centered Care
★ 4.7 (560) · Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Bankruptcies, Securities (Finance), Securities Trading, Commercial Lending, Financial Industry Regulatory Authorities, Commercial Laws, Loans, Banking, Law, Regulation, and Compliance, Financial Regulations, Business Management, Regulation and Legal Compliance, Commercial Banking, Business, Financial Regulation, Bank Regulations, Organizational Structure, Regulatory Compliance, Business Administration, Governance
★ 4.9 (396) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Behavior-Driven Development, DevSecOps, Test Driven Development (TDD), Kanban Principles, Continuous Integration, Agile Software Development, Lean Methodologies, DevOps, Agile Methodology, Scrum (Software Development), Software Development Methodologies, Lean Manufacturing, Development Testing, Continuous Deployment, Unit Testing, Continuous Delivery, Application Security, CI/CD, Integration Testing, Software Development
★ 4.7 (568) · Beginner · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: Cybersecurity, Cyber Attacks, Cloud Computing, Cyber Security Strategy, Cloud Services, IT Management, Information Technology, Technology Solutions, Technology Strategies, IT Infrastructure, Data Security, Technical Management, Information Systems, Emerging Technologies, Innovation, Business Transformation, Blockchain
★ 4.8 (518) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Investment Banking, Financial Forecasting, Business Valuation, Financial Analysis, Financial Modeling, Cash Flow Forecasting, Financial Accounting, Revenue Forecasting, Financial Data, Mergers & Acquisitions, Income Statement, Balance Sheet, Corporate Finance, Forecasting, Cash Flows, Benchmarking
★ 4.5 (231) · Intermediate · Course · 1 - 3 Months
Universidad Austral
Skills you'll gain: Responsive Web Design, LESS, Bootstrap (Front-End Framework), Version Control, HTML and CSS, jQuery, Web Design and Development, Bitbucket, UI Components, Web Design, Git (Version Control System), Web Development Tools, Cascading Style Sheets (CSS), Web Development, Front-End Web Development, Javascript and jQuery, Application Deployment, Node.JS, Javascript, Build Tools
★ 4.4 (666) · Beginner · Course · 1 - 4 Weeks

Alberta Machine Intelligence Institute
Skills you'll gain: Data Preprocessing, Data Ethics, Applied Machine Learning, Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Product Lifecycle Management, Case Studies, Data Collection, Business Priorities, Supervised Learning, Business Requirements, Business Analysis, Unsupervised Learning, Artificial Intelligence
★ 4.7 (748) · Intermediate · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Version Control, Web Applications, Full-Stack Web Development, Git (Version Control System), Middleware, Web Development, Web Development Tools, Application Development, Software Architecture, User Interface (UI), Agile Software Development, Application Frameworks, Ajax, User Interface (UI) Design, Model View Controller, Databases, Database Management, Data Modeling, Relational Databases, Ruby on Rails
★ 4.3 (185) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, R (Software), Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Data Wrangling, Data Processing, Data Transformation, Software Installation
★ 4.7 (313) · Beginner · Course · 1 - 4 Weeks
McMaster University
Skills you'll gain: Financial Market, Financial Systems, Securities (Finance), Capital Markets, Financial Trading, Derivatives, Securities Trading, Equities, Financial Policy, Finance, International Finance, Investments, Market Dynamics, Presentations
★ 4.7 (417) · Beginner · Course · 1 - 4 Weeks
Stanford Online
Skills you'll gain: Bayesian Network, Machine Learning Methods, Statistical Inference, Markov Model, Statistical Machine Learning, Graph Theory, Sampling (Statistics), Applied Machine Learning, Statistical Methods, Probability & Statistics, Algorithms, Probability Distribution, Machine Learning Algorithms
★ 4.6 (491) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Engineering, Data Manipulation, Data Store, Data Warehousing, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Stored Procedure, Cloud Services, LLM Application, Application Frameworks, Generative AI, Large Language Modeling, Applied Machine Learning, Data Science, Machine Learning
★ 4.8 (240) · Beginner · Course · 1 - 4 Weeks