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 Washington
Skills you'll gain: Model Evaluation, Applied Machine Learning, Machine Learning Methods, Feature Engineering, Regression Analysis, Machine Learning, Image Analysis, Machine Learning Algorithms, AI Personalization, Model Training, Deep Learning, Transfer Learning, Application Development, Predictive Modeling, Model Deployment, Text Mining, Python Programming, Classification Algorithms
★ 4.6 (14K) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Processing, Data Visualization, Data Presentation, Data Cleansing, Data Collection, Data Visualization Software, Data Manipulation, Data Preprocessing, Python Programming, Web Analytics and SEO, Algorithms, Data Analysis, Web Scraping
★ 4.7 (14K) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Anatomy, Biochemistry, Physiology, Cell Biology, Biology, Chemistry, Medical Terminology, Molecular, Cellular, and Microbiology
★ 4.7 (126) · Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Primary Care, Chronic Diseases, Care Management, Nursing Care, Health Systems, Public Health, Preventative Care, Epidemiology, Care Coordination, Patient-centered Care, Patient Education and Support, Health Policy, Family Support
★ 4.8 (1.2K) · Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Apache Spark, Apache Hadoop, Application Design, User Interface (UI), Distributed Computing, Programming Principles, Leaflet (Software), Big Data, Data Processing, Software Design, Data Structures, Software Design Patterns, Functional Design, Object Oriented Design, Data Manipulation, Object Oriented Programming (OOP), Interactive Data Visualization, Scientific Visualization, Algorithms
★ 4.7 (11K) · Intermediate · Specialization · 3 - 6 Months

Intuit
Skills you'll gain: Bookkeeping, Ledgers (Accounting), Financial Accounting, Financial Reporting, Accounting, Financial Statements, Accounting Records, General Accounting, General Ledger, Standard Accounting Practices, Transaction Processing, Balance Sheet, Income Statement, Business Ethics, Accounting Software, Ethical Standards And Conduct, Cash Flows, Equities, Journals
★ 4.6 (6.7K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Automation, WordPress, Web Presence, AI Personalization, Event Management, Content Management Systems, Search Engine Optimization, Web Analytics and SEO, AI powered creativity, Content Optimization, Blogs, Content Performance Analysis, Web Design, Web Development, Web Analytics, No-Code Development, Content Creation, Digital Publishing, Content Management, Brand Management
★ 4.4 (7.6K) · Beginner · Specialization · 1 - 3 Months

Wesleyan University
Skills you'll gain: Editing, Storytelling, Peer Review, Writing and Editing, Writing, Content Creation, Creativity
★ 4.6 (6.4K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Portfolio Risk, Investment Management, Risk Management, Financial Analysis, Financial Management, Risk Modeling, Risk Analysis, Portfolio Management, Financial Market, Investments, Statistics
★ 4.3 (2.2K) · Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Search Engine Optimization, Persona Development, Web Analytics and SEO, Content Optimization, Target Audience, Branding, Target Market, Digital Marketing, Consumer Behaviour, User Research, Algorithms, Data Analysis, Business Reporting
★ 4.6 (10K) · Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Information Architecture, Wireframing, User Interface and User Experience (UI/UX) Design, Persona (User Experience), User Experience, Mockups, User Experience Design, UI/UX Strategy, Responsive Web Design, Web Design, User Interface (UI), User Interface (UI) Design, Adobe XD, User Centered Design, Interaction Design, Prototyping, Web Design and Development, Layout Design, Usability, User Research
★ 4.7 (8.1K) · Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Fire And Life Safety, Building Codes, Pump Stations, Schematic Diagrams, Blueprint Reading, Process Flow Diagrams, Construction, Hydraulics, Safety Standards, Plumbing, Equipment Design, Safety Assurance, Building Services Engineering, Building Design, Facility Management and Maintenance, Engineering Drawings, Structural Engineering, Hazard Communication (HazCom), Safety and Security, Hazard Analysis
★ 4.6 (130) · Intermediate · Specialization · 3 - 6 Months