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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Application Deployment, Spring Boot, Spring Framework, Object Oriented Design, Back-End Web Development, Data Modeling, Software Architecture, Object-Relational Mapping, System Configuration, Model View Controller, Application Frameworks, Server Side, Web Applications, Data Persistence, Object Oriented Programming (OOP), Business Logic
Mixed · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Nursing, Science and Research, Nurse Education, General Science and Research, Clinical Research, Scientific Methods, Nursing and Patient Care, Clinical Research Ethics, Medical Science and Research
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), User Interface and User Experience (UI/UX) Design, HTML and CSS, Data Import/Export, Verification And Validation, User Interface (UI) Design, Server Side
Beginner · Specialization · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Marketing Strategies, Artificial Intelligence and Machine Learning (AI/ML), Strategic Marketing, Marketing Analytics, Artificial Intelligence, Generative AI, Agentic systems, Content Development and Management, Digital Marketing, Content Creation, Automation, Business Ethics, Customer experience improvement, Machine Learning, Natural Language Processing, Content Management, Creativity, Ethical Standards And Conduct, Interactive Data Visualization
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Kinesiology, Human Musculoskeletal System, Scientific Methods, Science and Research, Anthropology, Biology, Anatomy, 3D Assets, Research, Mechanics, Physiology, Laboratory Research, Human Development, Exercise Science, Taxonomy, Child Development, Life Sciences, Scientific Visualization, Childbirth, Obstetrics And Gynecology
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Text Mining, Large Language Modeling, Hugging Face, Natural Language Processing, Data Processing, LLM Application, Embeddings, Data Preprocessing, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animation and Game Design, Software Architecture, Visualization (Computer Graphics), Object Oriented Design, Code Reusability, Scripting, C# (Programming Language)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Control Systems, Simulation and Simulation Software, Simulations, Mechanics, Engineering Analysis, Debugging, Torque (Physics), Mathematical Modeling, Numerical Analysis, Linear Algebra, Differential Equations, Applied Mathematics
Advanced · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Collection, Data Processing, Data Analysis, Data Access, Statistical Analysis, Sampling (Statistics)
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Health Systems, Managed Care, Patient-centered Care, Healthcare Industry Knowledge, Medicaid, Health Care Administration, Health Care Procedure and Regulation, Medical Billing, Health Administration, Health Care, Primary Care, Medicare, Health Policy, Health Disparities, Health Equity, Consumer Behaviour, Care Coordination, Diversity Awareness, Policy Analysis, Telehealth
Beginner · Course · 1 - 4 Weeks