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.

EDUCBA
Skills you'll gain: UI Components, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Application Design, Development Environment, Application Development, Application Frameworks
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Team Building, Team Leadership, Leadership and Management, Rapport Building, Employee Onboarding, Leadership, Recognizing Others, Team Motivation, Performance Analysis, Employee Performance Management, Meeting Facilitation, Constructive Feedback, Safety Culture, Productivity, Workplace inclusivity, Coaching, Empathy, Goal Setting, Planning, Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Descriptive Statistics, Jupyter, Microsoft Azure, Feature Engineering, Data Analysis, Statistics, Exploratory Data Analysis, Probability & Statistics, Data Visualization Software, Correlation Analysis, Applied Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Ancient History, Anthropology, Case Studies, Social Sciences, World History, Timelines, Cultural Diversity, Research, Environment, Biology
Beginner · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Data Visualization, HubSpot CRM, Dashboard, Business Reporting, Customer Relationship Management (CRM) Software, Performance Reporting, Forecasting, Sales Pipelines, Business Metrics, Sales Enablement, Performance Metric, Sales, Data-Driven Decision-Making, Key Performance Indicators (KPIs), Customer Service, Customer Data Management, Customer Success Management, Goal Setting
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Program Management, Stakeholder Management, Change Management, Strategic Leadership, Product Roadmaps, Leadership, Organizational Change, Organizational Strategy, Project Management Office (PMO), Project Management, Digital Transformation, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Amazon Web Services, Virtual Private Networks (VPN), Cloud Computing Architecture, Network Infrastructure, Network Security, Cloud Computing, Network Analysis, Operations Management
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Vibrations, Control Systems, Mechanics, Torque (Physics), Mechanical Engineering, Engineering Analysis, Engineering Calculations, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Routers, Network Routing, Network Security, Network Administration, Network Protocols, Network Troubleshooting, Network Switches
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Plot (Graphics), Pandas (Python Package), Scientific Visualization, Data Manipulation, Scatter Plots, Machine Learning, Data Science, Data Analysis Software, Histogram, Numerical Analysis, Probability Distribution, Linear Algebra, Classification Algorithms, Regression Analysis
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, High Voltage, Power Electronics, Electronic Components, Electronics Engineering, Electronics, Simulation and Simulation Software
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Data Structures, Software Installation
Beginner · Course · 1 - 3 Months