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: 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

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

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Web Design and Development, Usability, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Front-End Web Development, Web Development, Mobile Development, Semantic Web, Git (Version Control System)
Beginner · Specialization · 1 - 3 Months

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 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

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

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design and Development, Web Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Community Development, Land Development, Social Impact, Sustainable Design, Social Justice, Stormwater Management, Environmental Policy, Policy Analysis, Sustainable Technologies, Public Works, Civil Engineering, Climate Change Mitigation, Public Policies, Socioeconomics, Environmental Issue, Environmental Science
Beginner · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Pulmonology, Chronic Diseases, Respiratory Care, Primary Care, Respiratory Therapy, Patient Evaluation, Rehabilitation, Patient Education And Counseling, Diagnostic Tests, Treatment Planning, Health Equity, Preventative Care, Community Health, Patient-centered Care
Mixed · Course · 1 - 3 Months

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