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 System
Skills you'll gain: Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Key Management, Cryptography, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Social Network Analysis, Network Analysis, Data Wrangling, Social Sciences, Graph Theory, Statistical Visualization, Data Manipulation, Data Visualization, Data Analysis, Predictive Analytics, Simulations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Responsive Web Design, Mobile Development, Unit Testing, User Interface (UI), UI Components, Storyboarding
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Statistics, Model Evaluation, R Programming, Statistical Modeling, Predictive Modeling, Statistical Analysis, Probability & Statistics, Public Health, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Data Visualization, Descriptive Statistics, Quantitative Research, Plot (Graphics), Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Hypothesis Testing, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Surveys, Sample Size Determination, Ethical Standards And Conduct, Data Analysis, Research and Design
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Blockchain, Cyber Risk, FinTech, Operational Risk, Scalability, Regulatory Compliance, Risk Management, Risk Analysis, Governance Risk Management and Compliance, Environmental Social And Corporate Governance (ESG)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Object Oriented Design, Computer Programming, Programming Principles, Computer Science
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Applied Mathematics, Advanced Mathematics, Artificial Intelligence and Machine Learning (AI/ML), Mathematical Modeling, Engineering Analysis, Mathematical Theory & Analysis, Numerical Analysis, Geometry, Data Transformation, Applied Machine Learning, Dimensionality Reduction, Markov Model, Probability
Beginner · Specialization · 3 - 6 Months

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Asset Management, Portfolio Risk, Machine Learning, Applied Machine Learning, Financial Market, Financial Modeling, Supervised Learning, Predictive Analytics, Unsupervised Learning, Regression Analysis, Statistical Methods, Jupyter, Computer Science, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

MedCerts
Skills you'll gain: Patient-centered Care, Informed Consent, Basic Patient Care, Patient Communication, Nursing Basics, Toileting, Dignity in Care, Medical Privacy, Oral Hygiene, Home Health Care, Nursing Homes, Personal Care, Activities of Daily Living (ADLs), Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Applied Machine Learning, Jupyter, Machine Learning Algorithms, Model Evaluation, Machine Learning, Predictive Modeling, Data Science, Python Programming, Predictive Analytics, Data Analysis, Technical Communication
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Architectural Design, Sustainable Development, Building Codes, Community Development, Land Development, Sustainable Architecture, Building Design, Sustainable Design, Sustainable Technologies, Construction, Climate Change Mitigation, Disabilities, Traffic Flow Optimization, Environmental Policy, Environmental Engineering, Policy Analysis, Case Studies
Intermediate · Course · 1 - 4 Weeks