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: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Code Review, Software Installation, Middleware, Debugging, Computer Programming, Information Technology
Beginner · Course · 1 - 3 Months

Codio
Skills you'll gain: Prompt Engineering, Generative AI, OpenAI, Animations, Image Analysis, Image Quality, ChatGPT, Visualization (Computer Graphics), Computer Graphics, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Environmental Resource Management, Environmental Issue, Sustainable Development, Water Resources, Climate Change Programs, Diversity Awareness, Intercultural Competence, Ethical Standards And Conduct, Cultural Diversity, Social Justice, Advocacy
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Electronics, Communication Systems, Digital Communications, Serial Peripheral Interface, Electronic Components, Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Software Testing, Browser Compatibility, Software Installation, Automation, Scripting, Python Programming, File Management, Development Environment, Debugging
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Debugging, Go (Programming Language), C (Programming Language), Integrated Development Environments, Data Structures, File Systems, Computer Programming, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Electrical Safety, Electrical Equipment, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Test Equipment, Electrical Systems, Basic Electrical Systems, Sustainable Technologies, Transportation Operations, Environmental Regulations, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mapping, Automation, Artificial Intelligence, Real-Time Operating Systems, Global Positioning Systems, Simulations, Image Analysis, Computer Science, Algorithms, Linear Algebra, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Front-End Web Development, User Interface (UI) Design, Web Applications, JavaScript Frameworks, Restful API, Web Development, Secure Coding, Authentications, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Human Capital, Human Resources, Human Resources Management and Planning, Human Resource Strategy, HR Tech, Human Resource Policies, People Analytics, Employee Engagement, Workforce Development, Industrial and Organizational Psychology, Compensation Management, Employee Retention, Safety Culture, Legal Risk, Labor Law, Environment Health And Safety, Organizational Leadership, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Design Elements And Principles
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotic Process Automation, Artificial Intelligence, Graph Theory, Algorithms, Computer Vision, Control Systems, Data Structures, Python Programming, Simulations
Build toward a degree
Intermediate · Course · 1 - 3 Months