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.

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Web Applications, Object Oriented Programming (OOP), Web Development, Hypertext Markup Language (HTML), Back-End Web Development, Data Access
Intermediate · Guided Project · Less Than 2 Hours
Georgia Institute of Technology
Skills you'll gain: Software-Defined Networking, Virtual Networking, Virtualization, Virtual Machines, Cloud Infrastructure, Network Architecture, Network Infrastructure, Cloud Computing, Cloud Deployment, Network Performance Management, Linux, Network Security, Firewall, Performance Tuning, Network Routing, Scalability
Mixed · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Civil Engineering, Engineering, Engineering Calculations, Engineering Analysis, Construction, Materials science, Mechanics, Design
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Engineering Drawings, Mechanical Drawings, Structural Analysis, Design Specifications, Mechanical Design, Technical Drawing, Engineering Analysis, Process Flow Diagrams, Manufacturing Standards, Thermal Management, Technical Standard, Engineering Calculations, Vibrations, Simulation and Simulation Software, Materials science
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Code Reusability, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Memory Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Predictive Analytics, Predictive Modeling, Model Evaluation, R Programming, Preventative Care, Statistical Modeling, Sample Size Determination, Regression Analysis, Statistical Machine Learning, Precision Medicine, Data Preprocessing, Diagnostic Tests
Intermediate · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Data Management, Blueprinting, Video Game Development, Scripting, Event-Driven Programming, C++ (Programming Language)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Unsupervised Learning, Model Evaluation, Time Series Analysis and Forecasting, Supervised Learning, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, Model Training, Feature Engineering, Artificial Intelligence, Deep Learning, Classification Algorithms, Generative AI, Model Optimization, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Dashboard Creation, Statistical Reporting, Data Wrangling, Dashboard, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Import/Export, Graphing
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management, Generative AI
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Analysis, Analytics, Data Analysis Software, Statistical Analysis, Statistical Programming, Spreadsheet Software, Analytical Skills, Exploratory Data Analysis, Descriptive Analytics, Data Cleansing, Statistical Methods, Data Collection, Advanced Analytics, Statistics, R (Software), Predictive Analytics, Query Languages, Data Visualization, Data Visualization Software
Beginner · Course · 1 - 3 Months