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.

Yonsei University
Skills you'll gain: Hospitality Management, Hospitality and Food Services, Hospitality, Customer Service, Guest Relations, Customer experience strategy (CX), Customer Relationship Management, Service Design, Healthcare Industry Knowledge, Expectation Management, Product Marketing, Service Management, Innovation, Customer experience improvement, Revenue Management, Business Marketing, Service Improvement, Hospital Experience, Marketing, Patient-centered Care
★ 4.7 (560) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Behavior-Driven Development, DevSecOps, Test Driven Development (TDD), Kanban Principles, Continuous Integration, Agile Software Development, Lean Methodologies, DevOps, Agile Methodology, Scrum (Software Development), Software Development Methodologies, Lean Manufacturing, Development Testing, Continuous Deployment, Unit Testing, Continuous Delivery, Application Security, CI/CD, Integration Testing, Software Development
★ 4.7 (568) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Excel Macros, Analytics, Accounting Software, Specialized Accounting, Analytical Skills, Accounting Systems, Business Analytics, Microsoft Excel, Spreadsheet Software, Data Collection, Data-Driven Decision-Making, Data Analysis, Predictive Analytics, Data Architecture
★ 4.8 (458) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Statistical Methods, R (Software), Data Manipulation, Plot (Graphics), Data Science, Box Plots, Statistical Visualization, Correlation Analysis, Model Training, Tidyverse (R Package)
★ 4.7 (378) · Intermediate · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Mechanics, Human Factors, Simulations, Simulation and Simulation Software, Engineering Calculations, Physics, Applied Mathematics, Engineering Analysis
★ 4.7 (502) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scaled Agile Framework, Agile Software Development, Agile Methodology, Behavior-Driven Development, Agile Product Development, Test Driven Development (TDD), Scalability, Agile Project Management, Sprint Planning, Solution Delivery, Virtualization and Virtual Machines, Integration Testing, Software Testing, Virtualization, Solution Architecture
★ 4.5 (493) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Growth Mindedness, Stress Management, Resilience, Mindfulness, Resourcefulness, Personal Development, Self-Awareness, Compassion, Mental Health, Meditation & Breathwork, Overcoming Obstacles, Personal Care, Emotional Intelligence, Behavioral Health, Habit Formation
★ 4.8 (388) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Presentations, Oral Expression, Professional Development, Interviewing Skills, English Language, Verbal Communication Skills, Personal Attributes, Communication, Self-Awareness, Personal Development, Language Learning, Communication Strategies, Job Analysis, Learning Strategies, Goal Setting
★ 4.5 (273) · Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (239) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Import/Export, Tensorflow, Data Preprocessing, Data Processing, Feature Engineering, Data Transformation, Data Sharing, Model Training, Data Management, Performance Tuning, Applied Machine Learning
★ 4.5 (536) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Immunology, Molecular Biology, Molecular, Cellular, and Microbiology, Physiology, Cell Biology, Biology, Biochemistry, Infectious Diseases
★ 4.8 (501) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Autoencoders, Generative AI, Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Reinforcement Learning, Generative Adversarial Networks (GANs), Generative Model Architectures, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Unsupervised Learning, Machine Learning Methods, Transfer Learning, Model Optimization, Image Analysis, Artificial Neural Networks, Keras (Neural Network Library), Fine-tuning, Machine Learning, Artificial Intelligence, Computer Vision
★ 4.6 (305) · Intermediate · Course · 1 - 3 Months