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.

Curtis Institute of Music
Skills you'll gain: Classical Music, Instrumental Music, Music, Music Performance, Music History
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Derivatives, Mortgage Loans, Securities (Finance), Credit Risk, Financial Modeling, Risk Modeling, Financial Market, Mathematical Modeling, Securities Trading, Applied Mathematics, Investment Banking, Microsoft Excel, Risk Analysis, Cash Flows, Analysis
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Sustainable Development, Systems Thinking, Sustainable Business, Sustainable Technologies, Sustainability Standards, Policy Development, Environmental Policy, Environment, Environmental Science, Innovation, Natural Resource Management, Climate Change Adaptation, Mathematical Modeling, Climate Change Mitigation, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, No-Code Development, Web Design, Content Management, Web Design and Development, Web Content, Web Development
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Postpartum Care, Respiratory Care, Neonatal Intensive Care Unit, Pulmonology, Infant Care, Preventative Care, Pediatric Nursing, Vital Signs, Patient Evaluation, Pediatrics, Health Assessment, Cardiology, Nutritional Assessment, Clinical Assessment, Diagnostic Tests
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, JavaScript Frameworks, Data Persistence, Javascript, Context Management, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Energy and Utilities, Chemical Engineering, Chemistry, Process Engineering, Mechanical Engineering, Environmental Engineering, Oil and Gas, Sustainable Engineering, Engineering Calculations, Physical Science, Mathematical Modeling
Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Image Analysis, Computer Vision, Matlab, Geospatial Information and Technology, Medical Imaging, Estimation, Artificial Intelligence and Machine Learning (AI/ML), Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Model Evaluation, No-Code Development, Exploratory Data Analysis, Predictive Modeling, Applied Machine Learning, Data Pipelines, Data Manipulation, Data Preprocessing, Machine Learning, Time Series Analysis and Forecasting
Beginner · Guided Project · Less Than 2 Hours

University of California, Irvine
Skills you'll gain: Grammar
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Injury Prevention, Fire And Life Safety, Electrical Safety, Accident Prevention, Safety Training, Safety Standards, Health And Safety Standards, Working With Children, Risk Analysis
Mixed · Course · 3 - 6 Months