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.

Yale University
Skills you'll gain: Environment, Environment and Resource Management, Climate Change Programs, Sustainable Development, Natural Resource Management, Liberal Arts, Culture, Cultural Diversity, Ethical Standards And Conduct, Ancient History, Political Sciences
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Histogram, Data Visualization, Data Literacy, Data Presentation, Descriptive Statistics, Data Storytelling, Statistics, Data Analysis, Statistical Visualization, Sampling (Statistics), Data Validation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Frameworks, Application Deployment, Web Applications, Front-End Web Development, Development Environment, Cascading Style Sheets (CSS), Web Development, Routing Protocols, Responsive Web Design, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Transportation, Supply Chain, and Logistics, Supply Chain, Supply Chain Management, Supply Chain Systems, Business Transformation, Emerging Technologies, Logistics Management, Internet Of Things, Business Process Automation, Digital Transformation, Asset Management
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Public Health, Health Policy, Public Health and Disease Prevention, Community Health, Social Determinants Of Health, Continuous Quality Improvement (CQI), Health Administration, Health Care, Geographic Information Systems, Research Design, Geospatial Mapping, Data Presentation
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Web Design, Figma (Design Software), Typography, Front-End Web Development, Web Design and Development, Maintainability, Mockups, Web Content Accessibility Guidelines, UI Components, Cascading Style Sheets (CSS), Layout Design, Web Development, Usability, Prototyping, Web Development Tools, Software Engineering
Intermediate · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Animations, 3D Modeling, 3D Assets, Computer Graphics, Visualization (Computer Graphics), Graphical Tools, Timelines, Graphics Software, User Interface (UI), File Management, Image Quality, Layout Design, Software Versioning, Software Installation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Cloud Deployment, Cloud Computing, Threat Detection, Cybersecurity, Information Systems Security, Virtualization, Virtual Machines, Intrusion Detection and Prevention, Encryption
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Climate Change Mitigation, Climate Change Adaptation, Environment, Sustainable Development, Physical Science, Environmental Science, Social Impact, Environmental Policy, Trend Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Package and Software Management, Command-Line Interface, Linux Commands, Linux, Linux Administration, Unix Commands, File Systems, Linux Servers, Data Storage, Network Troubleshooting, Operating Systems, Unix Shell, Operating System Administration, Software Installation, File Management, Service Management, General Networking, Network Security, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Computer Programming, Software Installation, Development Environment, Jupyter, Integrated Development Environments
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, Data Cleansing, R Programming, Data Preprocessing, Statistical Programming, Text Mining
Mixed · Course · 1 - 3 Months