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.

Skills you'll gain: Flask (Web Framework), User Accounts, Web Development, Web Applications, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Development, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Ruby (Programming Language), Object Oriented Programming (OOP), Debugging, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Apple Xcode, Software Installation, Microsoft Windows, Command-Line Interface
Beginner · Course · 1 - 3 Months
Skills you'll gain: Text Mining, Large Language Modeling, Natural Language Processing, LLM Application, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Science and Research, Research, Experimentation, Innovation, Policty Analysis, Research, and Development, Case Studies, Ethical Standards And Conduct, Collaboration, Diversity Awareness
Beginner · Course · 1 - 3 Months
Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization Software, Data Visualization, Jupyter, Interactive Data Visualization, Scatter Plots, Histogram, Box Plots, Animations, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Engineering, Sustainable Business, Business Leadership, Waste Minimization, Product Design, Product Lifecycle Management, Environment and Resource Management, Environmental Regulations, Process Improvement, Materials science
Build toward a degree
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Education Software and Technology, Augmented Reality, Medical Devices, Clinical Research, Display Devices, Virtual Reality, Health Technology, Clinical Practices, Virtual Environment, Health Education, Collaborative Software, Emerging Technologies, Business Systems Analysis, Innovation, User Centered Design, Technology Strategies, Project Planning, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, JavaScript Frameworks, Authentications, Responsive Web Design, Restful API, Full-Stack Web Development, User Interface (UI), User Accounts, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Journalism, Health Education, Public Health, Media and Communications, Interviewing Skills, Stress First Aid, Advocacy, Mental Health, Cultural Sensitivity, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Web Scraping, Apache, Test Case, Javascript and jQuery, Browser Compatibility, Data Structures
Beginner · Specialization · 3 - 6 Months
University of Colorado Boulder
Skills you'll gain: Control Systems, Simulations, Mechanics, Angular, Engineering Analysis, Torque (Physics), Mathematical Modeling, Linear Algebra, Differential Equations, Calculus
Advanced · Course · 1 - 3 Months

Skills you'll gain: Agile Methodology, Agile Product Development, Product Management, Sprint Planning, Product Requirements, Agile Project Management, Sprint Retrospectives, Backlogs, Quality Assessment, Meeting Facilitation
Advanced · Course · 1 - 4 Weeks