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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Exploratory Data Analysis, Data Presentation, Data Storytelling, Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Histogram, Animations, Data Manipulation
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Legal Strategy, Legal Technology, Legal Research, Generative AI, AI Workflows, Data Ethics, Strategic Decision-Making, Responsible AI, Legal Writing, Artificial Intelligence, Automation, Predictive Modeling, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Integrated Development Environments, System Programming, Algorithms
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, UI Components, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, MySQL, Database Management Systems, Database Management, Data Manipulation, Data Management, SQL, Databases, Query Languages, Data Integration, Data Science
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Disparities, Health Equity, Health Policy, Systems Thinking, Health Informatics, Public Health, Community Health, Social Impact, Data Analysis, R Programming, Data Visualization, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Front-End Web Development, Web Content Accessibility Guidelines, Cloud Hosting, Debugging, Semantic Web, Web Analytics and SEO, Responsive Web Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Network Security, Threat Detection, Network Administration, TCP/IP, Network Routing, Virtual Private Networks (VPN), Network Architecture, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Switches, Network Protocols
Advanced · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Pre-Clinical Development, Clinical Research, Drug Development, Clinical Trials, Medical Science and Research, Pharmaceuticals, Laboratory Research, Health Policy, Research
Beginner · Course · 1 - 4 Weeks
Erasmus University Rotterdam
Skills you'll gain: Corporate Communications, Crisis Management, Business Ethics, Case Studies, Social Media Management, Facebook, Policy Analysis, Data Ethics, Leadership, Information Privacy, Stakeholder Analysis
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Mining, Unsupervised Learning, Data Science, Anomaly Detection, Python Programming, Classification Algorithms
Advanced · Course · 1 - 4 Weeks