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.

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Web Content Accessibility Guidelines, Front-End Web Development, Cascading Style Sheets (CSS), Web Development Tools, React.js, User Interface (UI), Javascript, Web Servers, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Scripting, Transaction Processing, Secure Coding, Application Development, Programming Principles, FinTech, Digital Assets, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animation and Game Design, Video Game Development, 3D Assets, Game Design, Development Testing, Artificial Intelligence, User Interface (UI), Performance Tuning
Intermediate · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Version Control, Secure Coding, Key Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Animation and Game Design, Computer Graphic Techniques, Creativity
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Bootstrap (Front-End Framework), UI Components, HTML and CSS, Cascading Style Sheets (CSS), Application Programming Interface (API), User Interface (UI), Javascript, Web Development Tools, Network Routing, Event-Driven Programming, Data Validation, Debugging
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Web Development Tools, Model View Controller, Event-Driven Programming, UI Components, HTML and CSS, Data Mapping, User Interface (UI), Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Software-Defined Networking, Open Shortest Path First (OSPF), Network Routing, Network Planning And Design, Virtual Networking, Network Architecture, Border Gateway Protocol, Network Performance Management, Network Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Security, Data Governance, Data Management, Data Security, Secure Coding, Cloud Applications, Application Security, Identity and Access Management, Key Management, Multi-Factor Authentication, Encryption, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Application Deployment, JavaScript Frameworks, Software Architecture, Application Development, Responsive Web Design, Cascading Style Sheets (CSS), UI Components, Restful API, User Interface and User Experience (UI/UX) Design, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Linux Commands, C (Programming Language), System Programming, Unix Commands, Command-Line Interface, Programming Principles, Development Environment, Computer Programming Tools, Scripting, Data Structures, Program Development, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, User Interface (UI), UI Components, Front-End Web Development, Web Design and Development, Web Components, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks