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.

Edureka
Skills you'll gain: Angular, TypeScript, JavaScript Frameworks, UI Components, Bootstrap (Front-End Framework), Application Frameworks, Code Reusability, Web Development Tools, Web Applications, Front-End Web Development, Software Architecture, Command-Line Interface, Development Environment, Cascading Style Sheets (CSS)
★ 4.2 (14) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: User Interface and User Experience (UI/UX) Design, Figma (Design Software), User Interface (UI), Mockups, Design Software, Adobe XD, Responsive Web Design, User Experience, User Experience Design, User Centered Design, Wireframing, Microsoft Copilot, Cascading Style Sheets (CSS), Prototyping
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Multimodal Prompts, Generative AI, Photo Editing, OpenAI, Animations, Computer Graphics, Application Programming Interface (API), Graphic and Visual Design
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, z/OS, Shell Script, Unix, File Systems, Job Control Language (JCL), Operating Systems, Command-Line Interface, OS Process Management, File Management, Mainframe Computing, Debugging, Identity and Access Management
★ 4.9 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Electrical Safety, Electric Power Systems, Electrical Equipment, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Electrical Systems, Basic Electrical Systems, High Voltage, Safety Assurance, Power Electronics, Sustainable Technologies, Transportation Operations, Emerging Technologies
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Network Troubleshooting, Network Administration, Network Security, Network Architecture, TCP/IP, Network Routers, Computer Networking, Network Routing, Virtual Local Area Network (VLAN), Dynamic Host Configuration Protocol (DHCP), Wireless Networks, Local Area Networks, Network Switches, Networking Hardware, Network Infrastructure, IT Automation, Network Protocols, Routing Protocols, Hardware Troubleshooting, Network Model
★ 4.3 (8) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, UI Components, Layout Design, UI/UX Strategy, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Strategies, Web Design, Scalability, Prototyping, File Management
★ 4.6 (21) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: IntelliJ IDEA, Java Programming, Object Oriented Programming (OOP), Java, Integrated Development Environments, Open Source Technology, Development Environment, Programming Principles, Scalability, Functional Design
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, HTML and CSS, User Interface (UI), User Interface and User Experience (UI/UX) Design, Web Design, Figma (Design Software), Typography, Digital Design, Front-End Web Development, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Mockups, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Development, Web Development Tools, Software Engineering
★ 4.5 (21) · Intermediate · Specialization · 3 - 6 Months

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, User Experience Design, Usability, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Web Design and Development, Front-End Web Development, GitHub Copilot, Mobile Development, Semantic Web, Git (Version Control System)
★ 4.6 (31) · Beginner · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, OSI Models, Network Routers, Network Planning And Design, Network Engineering, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols, Command-Line Interface
★ 4.3 (8) · Mixed · Course · 1 - 3 Months