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.

Johns Hopkins University
Skills you'll gain: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Oral Comprehension, Language Competency, English Language, Language Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), User Accounts, Web Development, Web Applications, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Development, Database Management
Intermediate · Guided Project · Less Than 2 Hours

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

Peking University
Skills you'll gain: Scientific Methods, Experimentation, Molecular Biology, Research Design, Biology, Laboratory Techniques, Laboratory Equipment, Specimen Preparation, Bioinformatics, Cell Biology
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Semiconductors, Display Devices, Computer Displays, Electronics, Electronic Components, Electrical Engineering, Materials science, Chemistry
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Applied Machine Learning, Jupyter, Machine Learning Algorithms, Model Evaluation, Machine Learning, Predictive Modeling, Data Science, Python Programming, Predictive Analytics, Data Analysis, Technical Communication
Intermediate · Guided Project · Less Than 2 Hours

Adobe
Skills you'll gain: Adobe Acrobat, Document Management, Workflow Management, Collaborative Software, Process Design, Design Reviews, File Management, Presentations, Client Services, Graphic Design, Marketing Design, Digital Design, Version Control, Branding, Constructive Feedback
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, iOS Development, Responsive Web Design, Data Persistence, Data Structures, Object Oriented Programming (OOP), Unit Testing, Transaction Processing, Database Application, User Interface (UI), Application Development, UI Components, Application Programming Interface (API), Data Access, Mobile Development
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Google Sheets, Data Visualization, Spreadsheet Software, Large Language Modeling, Data Literacy, Data Visualization Software, Business Analysis, Requirements Analysis, Data Analysis, Analytics, Exploratory Data Analysis, Data-Driven Decision-Making, Trend Analysis, Data Transformation, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Contingency Planning, Disaster Recovery, Business Continuity Planning, Security Management, IT Management, System Monitoring, Cyber Security Policies, Enterprise Security, Compliance Auditing, Security Strategy, Systems Administration, Operating System Administration, Governance, Security Controls, Organizational Strategy, Patch Management, Continuous Monitoring, Unix, Procedure Development, Incident Response
Intermediate · Course · 1 - 3 Months