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.

Erasmus University Rotterdam
Skills you'll gain: Stakeholder Analysis, Market Opportunities, Business Modeling, Sustainable Development, New Business Development, Key Performance Indicators (KPIs), Sustainable Business, Systems Analysis, Financial Analysis, Systems Thinking, Business Architecture, Innovation, Case Studies
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Chemical Engineering, Chemistry, Thermal Management, Mechanical Engineering, Process Engineering, Engineering Calculations, Engineering Analysis, Differential Equations, Applied Mathematics, Simulation and Simulation Software, Open Source Technology
Advanced · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Data Storage Technologies, Algorithms, Graph Theory, Data Access, Performance Tuning
Advanced · Course · 1 - 3 Months

Yale University
Skills you'll gain: Environmental Science, Environment, Biology, Social Justice, Culture, Natural Resource Management, International Relations, Sustainable Development, Anthropology, World History, Ethical Standards And Conduct, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Governance, SQL, Data Quality, Data Manipulation, Data Transformation, Query Languages, Data Modeling, Database Systems, Relational Databases, Data Processing, Data Analysis
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Convolutional Neural Networks, Deep Learning, Machine Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Front-End Web Development, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Java Platform Enterprise Edition (J2EE), Web Applications, Secure Coding, Amazon Elastic Compute Cloud, Back-End Web Development, Spring Boot, Model View Controller, Responsive Web Design, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Timelines, Organizational Skills, Scheduling, Project Coordination, Milestones (Project Management), Time Management, Project Management Software, Project Management, Delegation Skills, Data Visualization, Team Management, Dependency Analysis
Beginner · Guided Project · Less Than 2 Hours
Rice University
Skills you'll gain: Theoretical Computer Science, Computer Programming, Computational Thinking, Programming Principles, Debugging, Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Theoretical Computer Science, Mathematical Modeling, Systems Analysis, Performance Testing, Embedded Systems, Graph Theory, Technical Documentation, Model Evaluation, Algorithms
Mixed · Course · 1 - 3 Months

Skills you'll gain: Call Center Experience, Interviewing Skills, De-escalation Techniques, Customer Relationship Building, Customer Complaint Resolution, Customer Service, Problem Solving, Conflict Management, Inbound Calls, Outbound Calls, Customer Support, Professionalism, LinkedIn, Communication
Beginner · Course · 1 - 4 Weeks