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.

Whizlabs
Skills you'll gain: Amazon S3, Cloud Storage, Data Storage, Data Storage Technologies, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Security Controls, File Management, File Systems, Encryption
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Data Structures, Problem Management, Mathematical Modeling, Applied Mathematics, Computer Science, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Test Script Development, Test Tools, Software Testing, Programming Principles, Software Installation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Accounts, Collaborative Software, Telecommuting, Computer Displays, Display Devices, Telecommunications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Process, Active Listening, Prospecting and Qualification, Business Communication, Sales, Inside Sales, Customer Analysis, Technical Sales, Outside Sales, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotics, Artificial Intelligence, Graph Theory, Algorithms, Control Systems, Computer Vision, Computer Science, Python Programming, Data Structures
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Hardware Design, Digital Communications, Electronic Systems, Electrical Engineering, Digital Signal Processing, Failure Analysis, Electronic Components, Estimation, Debugging, Network Analysis, Simulation and Simulation Software
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Human Capital, Human Resources, Human Resources Management and Planning, Human Resource Strategy, HR Tech, Human Resource Policies, People Analytics, Employee Engagement, Workforce Development, Industrial and Organizational Psychology, Compensation Management, Employee Retention, Safety Culture, Legal Risk, Labor Law, Environment Health And Safety, Organizational Leadership, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Exploratory Data Analysis, Data Presentation, Data Storytelling, Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Histogram, Animations, Data Manipulation
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Robotics, Data Mapping, Real-Time Operating Systems, Simulations, Linear Algebra, Python Programming, Algorithms, Computer Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, Software Design
Intermediate · Guided Project · Less Than 2 Hours