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.

Scrimba
Skills you'll gain: HTML and CSS, Mobile Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Web Development, Responsive Web Design, Video Game Development, Application Development, Cascading Style Sheets (CSS), Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, UI Components, Front-End Web Development, Web Applications, Typography
Build toward a degree
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Logistic Regression, Forecasting, Data Processing, Predictive Modeling, Statistical Modeling, Data Analysis, Analytics, Regression Analysis, Pandas (Python Package), Model Evaluation, Python Programming, Probability, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Environmental Issue, Social Sciences, Policy Analysis, Climate Change Adaptation, Socioeconomics, Systems Thinking, Emerging Technologies, Technology Strategies, Research
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Unsupervised Learning, Deep Learning, Graph Theory, Machine Learning Algorithms, Algorithms
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Public Health, Health Care Administration, Crisis Intervention, Health Equity, Leadership, Health Disparities, Diversity Equity and Inclusion Initiatives, Community Health, Emergency Response, Decisiveness, Adaptability, Communication
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Regression Analysis, Actuarial Science, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Risk Modeling, Financial Systems, Mathematical Modeling, Numerical Analysis, Applied Mathematics, Python Programming, Process Optimization, Probability Distribution, Algorithms, Case Studies
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Structural Engineering, Structural Analysis, Construction, Civil Engineering, Engineering Analysis, Engineering Design Process, Mechanics, Materials science, Applied Mathematics
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Unix Commands, Linux Commands, Unix, Linux, File I/O, File Management
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Infectious Diseases, Molecular Biology, Computational Thinking, Microbiology, Biology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Registration, Product Management, Product Lifecycle Management, Product Development, Market Analysis
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks