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.

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Trauma Care, Mental Health, Mental Health Therapies, Psychology, Psychotherapy, Rehabilitation, Mental and Behavioral Health, Cultural Sensitivity, Patient Evaluation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Infrastructure Security, Cloud Deployment, Cloud Computing, Threat Detection, Cyber Attacks, Endpoint Detection and Response, Cybersecurity, Information Systems Security, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Security Controls, Intrusion Detection and Prevention, Data Security, Human Factors (Security)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Nutrition and Diet, Social Determinants Of Health, Sustainability Standards, Environment Health And Safety, Environment, Health Assessment, Epidemiology, Environmental Resource Management, Environmental Science, Public Health and Disease Prevention, Public Health, Climate Change Mitigation, Product Lifecycle Management, Systems Of Measurement, Problem Solving
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Cloud Computing, Cloud Security, Cloud Services, Cloud Infrastructure, User Provisioning, Role-Based Access Control (RBAC), Cloud Technologies, Cloud Platforms, Cloud Deployment, Amazon Elastic Compute Cloud, Authorization (Computing), Solution Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Professional Development, Web Presence, JavaScript Frameworks, Web Development Tools, Computational Logic, Web Development, Javascript, Software Development
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Generative AI, AI Integrations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Business Analysis Tools, Systems Analysis, Data Flow Diagrams (DFDs), Project Design, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Amazon S3, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, digital literacy, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Browser Compatibility, Frontend Integration, Javascript, Interactive Design, Hypertext Markup Language (HTML), Cross Platform Development
Intermediate · Guided Project · Less Than 2 Hours