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: React.js, Server Side, JavaScript Frameworks, Node.JS, Web Development Tools, Web Development, Web Applications, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Kubernetes, Containerization, Scalability, Application Deployment, Cloud Deployment, Spring Framework, Spring Boot, DevOps, Prometheus (Software), Amazon CloudWatch, AWS Identity and Access Management (IAM), OAuth, System Monitoring
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Angular, Responsive Web Design, HTML and CSS, Web Design and Development, JavaScript Frameworks, Web Applications, Web Components
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Computer Graphics, Game Design, Video Game Development, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Version Control, Bootstrap (Front-End Framework), .NET Framework, Model View Controller, Cross Platform Development, Microsoft Development Tools, Development Environment, Authentications, Web Applications, jQuery, Software Development Tools, Responsive Web Design, Data Validation, Microsoft SQL Servers, Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Computer Networking, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Firewall, Network Infrastructure, Amazon Web Services, Cloud Deployment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Calculus, Applied Mathematics, NumPy, Machine Learning Algorithms, Data Science, Tensorflow, Python Programming, Derivatives, Algorithms, Development Environment
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Infographics, Content Creation, Graphic and Visual Design Software, Social Media, Graphic Design, Graphical Tools, Data Sharing, Content Marketing, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Software-Defined Networking, Network Security, Infrastructure Security, Computer Networking, Local Area Networks, Network Architecture, Network Infrastructure, Wide Area Networks, Enterprise Architecture, Network Performance Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Mobile Development, Scripting, C# (Programming Language), Android (Operating System), Video Game Development, Game Design, Performance Tuning, Animations, User Interface (UI)
Beginner · Course · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Sprint Retrospectives, Service Recovery, Drive Engagement, Technology Solutions, User Feedback, Customer Engagement, Product Lifecycle Management, Technical Product Management, End User Training and Support, Change Management, Active Listening, User Experience, Decision Making, Continuous Improvement Process
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Workspace, Lightweight Directory Access Protocols, Active Directory, Gmail, User Accounts, Automation, Identity and Access Management, Configuration Management, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks