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.

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Code Coverage, Behavior-Driven Development, Software Testing, Unit Testing, Test Automation, Test Tools, API Testing, Test Case, Test Data, User Story, Mockups, Restful API, Microservices
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), File I/O, C++ (Programming Language), Object Oriented Design, Debugging, Computer Programming, Event-Driven Programming, Video Game Development, Unity Engine, Data Structures, C# (Programming Language), Data Storage, 3D Assets, Development Environment, Game Design, Software Documentation, Software Design Patterns, User Interface (UI), Programming Principles
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, ChatGPT, Prompt Engineering, OpenAI API, Vector Databases, Embeddings, System Monitoring, Artificial Intelligence, Model Evaluation
Intermediate · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Medical Emergency, Acute Care, Critical Care, Triage, Emergency Medical Services, Patient Evaluation, Emergency Departments, Neurology, Clinical Assessment, Patient Treatment, Diagnostic Tests
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vital Signs, Patient Communication, Patient Evaluation, Health Assessment, Patient Observation, Clinical Assessment, Mental Status Examination, Patient-centered Care, Blood Pressure, Patient Treatment, Triage, Clinical Nursing, Nursing, Patient Safety, Healthcare Industry Knowledge, Respiration, Medical Surgical Nursing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Front-End Web Development, Web Content, Responsive Web Design, Web Design
Intermediate · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Computer Vision, Image Quality, Image Analysis, Computer Graphics, 3D Modeling, Photography, Virtual Reality, Visualization (Computer Graphics), Medical Imaging, Artificial Neural Networks, Unsupervised Learning, Graph Theory, Dimensionality Reduction, Mathematical Modeling, Estimation, Machine Learning Algorithms, Color Theory, Algorithms, Automation Engineering, Electronic Components
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Model Evaluation, Model Deployment, Supervised Learning, Feature Engineering, Predictive Modeling, Data Processing, Data Manipulation, Predictive Analytics, MLOps (Machine Learning Operations), Classification Algorithms, Applied Machine Learning, Data Visualization, Design Thinking, Web Scraping, Machine Learning Algorithms, Flask (Web Framework), Data Visualization Software, Data Validation, Machine Learning, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of Florida
Skills you'll gain: Infectious Diseases, Infection Control, Epidemiology, Critical Care, Public Health, Respiratory Care, Mechanical Ventilation, Socioeconomics, Patient Treatment, Diagnostic Tests, Immunology, Personal protective equipment, Laboratory Testing, Clinical Assessment
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Management, Query Languages, Data Integrity, Performance Tuning, Data Structures
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Literacy, Demography, Child Development, Human Learning, Language Learning, Childhood Education and Development, Learning Theory, Education Software and Technology, Social Studies, Experimentation
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Basic Electrical Systems, electromagnetics, Electrical Engineering, Physics, Mechanics, Calculus, Engineering Calculations, Mathematical Modeling, Trigonometry, Problem Solving, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks