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: Mechanical Engineering, Statistical Methods, Engineering, Physics, Probability Distribution, Physical Science, Chemistry, Calculus
Advanced · Course · 1 - 4 Weeks

Shanghai Jiao Tong University
Skills you'll gain: Language Competency, Language Learning, Oral Comprehension, Vocabulary
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Analysis, Data Preprocessing, Data Cleansing, Matplotlib, Data Import/Export, NumPy, Jupyter, JSON, Python Programming
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, Commercial Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Securities (Finance), Digital Assets, Liquidation, Transaction Processing, Asset Management, Arbitration, Portfolio Management, Governance
Intermediate · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Usability Testing, Wireframing, Information Architecture, User Interface (UI) Design, UI Components, User Experience Design, Prototyping, User Research, Design Research, Style Guides, Design Elements And Principles, Responsive Web Design, Verification And Validation
Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Pollution Prevention, Oil and Gas, Sustainable Engineering, Economics, Sustainable Technologies, Environmental Policy, Environmental Science
Mixed · Course · 1 - 3 Months

Skills you'll gain: Electrical Safety, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Test Equipment, Electrical Systems, Basic Electrical Systems, High Voltage, Safety and Security, End User Training and Support, Sustainable Technologies, Transportation Operations, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Embedded Software, Embedded Systems, Electronics Engineering, Electronic Systems, Electronic Hardware, Electronics, Machine Controls, Control Systems, Electrical Systems, Hardware Design, Programmable Logic Controllers, Equipment Design, Electronic Components
Build toward a degree
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Advocacy, Health Systems, Health Policy, Health Care Administration, Community Health, Primary Care, Health Care, Public Health, Systems Thinking, Governance, Training Programs, Case Studies, Education and Training
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Financial Analysis, Return On Investment, Profit and Loss (P&L) Management, Financial Modeling, Performance Metric, Accounting, Finance, Operating Expense, Investments
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Personally Identifiable Information, Encryption, Health Care, Health Care Procedure and Regulation, Data Security, Cyber Attacks, Medical Records, Information Privacy, Cloud Computing, Patient Safety
Beginner · Course · 1 - 4 Weeks