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: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Design, Object Oriented Programming (OOP), Software Design, Programming Principles, Application Development, Scripting
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Statistical Visualization, Geospatial Information and Technology, Data Manipulation, Scatter Plots, Plotly, Interactive Data Visualization, R Programming, Data Mapping, Animations
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Test Case, Software Testing, Mockups, Eclipse (Software), Test Script Development, Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Testability, Java
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design and Development, UI Components, Prompt Engineering, Web Development Tools, Web Development, Generative AI, Javascript, Software Engineering, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Convolutional Neural Networks, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Cloud Services, Legal Risk, Cloud Computing, Intellectual Property, Contract Negotiation, Cloud Security, Contract Review, Law, Regulation, and Compliance, Service Level Agreement, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, Security Requirements Analysis, Requirements Elicitation, Requirements Management, Goal Setting, Meeting Facilitation, Conflict Management, Risk Analysis, Diagram Design, Stakeholder Engagement, Negotiation
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Financial Market, Portfolio Risk, Capital Markets, Risk Analysis, Risk Management, Market Dynamics, Portfolio Management, Financial Modeling, Operations Research, Mathematical Modeling, Probability Distribution, Applied Mathematics, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Context Management, Business Logic
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Engineering, Sustainable Technologies, Sustainable Business, Sustainability Standards, Organizational Leadership, Corporate Sustainability, Strategic Leadership, Business Leadership, Environment, Architectural Design, Building Design, Climate Change Mitigation, Environmental Science, Environmental Engineering, Energy and Utilities, Environmental Policy, Economics
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Image Quality, Engineering, Scientific, and Technical Instruments, Electronic Components, Systems Design, Human Factors, Engineering Calculations, Technical Design, Simulation and Simulation Software, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 3 Months

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