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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: International Relations, Sustainable Development, Governance, Socioeconomics, Environment, Economic Development, Natural Resource Management, Environmental Policy, Climate Change Adaptation, Oil and Gas, World History, Environmental Science, Energy and Utilities
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Software Design, Linux, System Design and Implementation, OS Process Management, C (Programming Language), Verification And Validation, Mathematical Modeling, Algorithms, Applied Mathematics
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Lean Methodologies, Team Motivation, Process Improvement, Six Sigma Methodology, Kaizen Methodology, Lean Six Sigma, Process Capability, Risk Analysis, Team Leadership, Quality Improvement, Team Management, Benchmarking, Motivational Skills, Performance Measurement, Change Management, Process Analysis, Root Cause Analysis, Regression Analysis
Intermediate · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Data Quality, Data Collection, Data Management, Data Validation, Data Preprocessing, Data Analysis, Threat Detection, Data Access, Sampling (Statistics)
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

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Data Preprocessing, Technical Management, Model Evaluation, MLOps (Machine Learning Operations), Applied Machine Learning, Machine Learning, Performance Reporting, Predictive Analytics, Fraud detection, Business Leadership, Strategic Leadership, Data Science
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Compensation Analysis, Meeting Facilitation, Performance Review, Staff Management, Safety Training, Strategic Leadership, Prioritization, Human Resources, Diversity and Inclusion, Performance Management, Human Resources Management and Planning, Recruitment, Time Management, Organizational Strategy, Human Resource Management, Organizational Skills, Stakeholder Management, Strategic Planning, Business Metrics, Leadership
Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Employee Engagement, Organizational Leadership, Leadership, Team Motivation, Culture Transformation, Industrial and Organizational Psychology, Personal Development, Goal Setting, Self-Awareness, Stress Management
Beginner · Course · 1 - 4 Weeks

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

Advancing Women in Tech
Skills you'll gain: Goal Setting, Engineering Management, Smart Goals, Recruitment, Technical Management, Management Training And Development, Talent Management, Leadership and Management, Talent Acquisition, People Management, Team Leadership, Software Engineering, Leadership, Program Management, Cloud Engineering, Business Strategy
Beginner · Course · 1 - 4 Weeks

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