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: Data Storytelling, Data Presentation, Plotly, Data Visualization Software, Data Visualization, Plot (Graphics), Dashboard, Interactive Data Visualization, Dashboard Creation, Matplotlib, Graphing, Geospatial Information and Technology, Histogram, Spatial Data Analysis, Seaborn, Data Analysis, Scatter Plots, Python Programming
★ 4.5 (12K) · Intermediate · Course · 1 - 3 Months

Atlassian
Skills you'll gain: Jira (Software), Agile Methodology, Scrum (Software Development), Kanban Principles, Agile Software Development, Agile Project Management, Lean Methodologies, Backlogs, Agile Product Development, Project Management Software, Sprint Planning, User Story, Workflow Management, Project Management, Issue Tracking, Configuration Management, Query Languages, Software Versioning, Continuous Improvement Process, User Accounts
★ 4.7 (9.7K) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Microsoft Excel, Business Analytics, Risk Analysis, Business Modeling, Data Modeling, Financial Modeling, Business Analysis, Risk Management, Resource Allocation, Statistical Analysis, Decision Intelligence, Mathematical Modeling, Process Optimization, Statistical Methods, Spreadsheet Software, Predictive Analytics, Transportation Operations
★ 4.8 (4.1K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Transformation, Power BI, Data Cleansing, Dashboard, Dashboard Creation, Data Visualization, Data Presentation, Data Import/Export, Data Integration, Data Visualization Software, Business Intelligence, Data Storytelling, Data Modeling
★ 4.5 (175) · Beginner · Guided Project · Less Than 2 Hours

MedCerts
Skills you'll gain: Medical Terminology, Human Musculoskeletal System, Medical Records, Health Information Management and Medical Records, Anatomy, Pathology, Physiology, Oncology, Trauma Care
★ 4.8 (49) · Beginner · Course · 1 - 4 Weeks

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

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

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, Data Manipulation, Object Oriented Programming (OOP), Interactive Data Visualization, Scientific Visualization, Visualization (Computer Graphics), 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: Generative AI, ChatGPT, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Augmented and Virtual Reality (AR/VR), Machine Learning, Data Synthesis
★ 4.6 (4.6K) · Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Healthcare Ethics, Emergency Medical Services, Patient Safety, Health Care Procedure and Regulation, Health Care, Patient Advocacy, Health Systems, Safety Assurance, Legal Risk, Community Health, Crisis Intervention, Ethical Standards And Conduct, Safety and Security, Law, Regulation, and Compliance, Mitigation, Emergency Response, Health Policy, Risk Management
★ 4.5 (80) · Beginner · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Chronic Diseases, Health Disparities, Health Equity, Public Health and Disease Prevention, Healthcare Ethics, Crisis Intervention, Community Health, Public Health, Triage, Long Term Care, Emergency Response, Health Policy, Epidemiology, Preventative Care, Care Management, Health Systems, Social Determinants Of Health, Risk Analysis
★ 4.8 (119) · Intermediate · Course · 1 - 4 Weeks