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.

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Deployment, Web Applications, Front-End Web Development, Web Development Tools, Web Development, Routing Protocols, Responsive Web Design, Server Side
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Development Tools, Microsoft Azure, Serverless Computing, Cloud Development, Event-Driven Programming, Cloud API, Application Programming Interface (API), Microservices, GitHub, Business Process Automation
Intermediate · Course · 1 - 3 Months

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

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

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

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Management, Databases, Query Languages, Data Modeling
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

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

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

Whizlabs
Skills you'll gain: Amazon CloudWatch, AWS CloudFormation, Serverless Computing, Configuration Management, Amazon Web Services, DevOps, Infrastructure as Code (IaC), Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Cloud Applications, Scalability, System Monitoring
Intermediate · Course · 1 - 4 Weeks