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.

University of Colorado Boulder
Skills you'll gain: Personal Development, Resilience, Self-Awareness, Mental Concentration, Accountability, Overcoming Obstacles, Self-Motivation, Persistence, Productivity, Emotional Intelligence, Positivity, Optimism, Stress Management, Goal Setting
Build toward a degree
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Data Pipelines, Data Processing, Real Time Data, Live Streaming, Distributed Computing, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: New Product Development, Emerging Technologies, Innovation, Sustainable Engineering, Engineering, Manufacturing Processes, Mechanical Engineering, Environmental Issue, Thermal Management, Chemistry, Physics
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Data Quality, Data Collection, Data Management, Data Validation, Data Analysis, Data Preprocessing, Threat Detection, Data Access, Sampling (Statistics)
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Cloud Engineering, Command-Line Interface, Data Pipelines, CI/CD, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Test Automation, Algorithms
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, UI Components, Web Design, Front-End Web Development, Animations, Mockups, User Interface (UI), Web Development, Debugging
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Writing, Course Development, Peer Review, Editing, Creativity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Mathematical Theory & Analysis, Advanced Mathematics, Differential Equations, Calculus, Mathematical Modeling, Geometry
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Target Audience, Public Relations, Marketing Communications, Advertising Campaigns, Media Strategy, Communication Strategies, Campaign Management, Integrated Marketing Communications, Branding, Earned Media, Brand Management, Paid media, Owned Media, Business Strategy, Shared Media, Employee Engagement
Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Virtual Environment, 3D Assets, Visualization (Computer Graphics), Android Development, Computer Graphics, Android Studio, Computer Graphic Techniques, Animations, Interaction Design
Advanced · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Cloud Infrastructure, Internet Of Things, General Networking, Network Administration, Network Protocols, Infrastructure Security, Wireless Networks, Network Planning And Design, Network Security, System Implementation, Cloud Computing, System Monitoring
Intermediate · Course · 1 - 4 Weeks