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.

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

University of Glasgow
Skills you'll gain: Research Methodologies, Case Studies, Social Justice, Cultural Diversity, Socioeconomics, Community Development, Qualitative Research, Sociology, Social Impact, Social Sciences, Economics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Design Elements And Principles, Creativity
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Intrusion Detection and Prevention, Malware Protection, Cyber Threat Hunting, Threat Detection, Network Analysis, AI Security, Applied Machine Learning, Model Evaluation, Network Security, Unsupervised Learning, Performance Testing, Analysis, Classification Algorithms, Supervised Learning, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Data Manipulation
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Power Electronics, Basic Electrical Systems, Electronic Systems, Electronic Components, Electrical Engineering, Semiconductors, Electric Power Systems, Electronics, Energy and Utilities, Control Systems
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Health Disparities, Medical Science and Research, Community Health, Research, Clinical Research, Public Health, Health Policy, Clinical Trials, Scientific Methods, Laboratory Research, Cultural Diversity, Mentorship
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Middleware, Databases, Database Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, Application Deployment, Mobile Development
Intermediate · 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, Web Development Tools, Cascading Style Sheets (CSS), Web Development, Routing Protocols, Responsive Web Design, Server Side
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Computing, Cloud Applications, Cloud Infrastructure, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Scalability
Intermediate · Course · 1 - 4 Weeks