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.

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, React.js, Web Development Tools, Application Programming Interface (API), HTML and CSS, Angular, Cascading Style Sheets (CSS), Javascript
Beginner · 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: Computer Graphics, Visualization (Computer Graphics), Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, Microsoft Visual Studio, Microsoft Excel, R Programming, Data Processing, Data Cleansing
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Open Web Application Security Project (OWASP), SonarQube, DevSecOps, Jenkins, Software Development Life Cycle, CI/CD, Application Security, Secure Coding, Continuous Integration, DevOps, Continuous Delivery, Code Review, Vulnerability Scanning, Vulnerability Assessments, Security Awareness, Dependency Analysis, Compliance Management, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, JSON, Responsive Web Design, Ajax, Web Design and Development, Animations, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: No-Code Development, Application Development, User Experience, User Interface (UI), Data Modeling, Application Design, Cloud-Based Integration, Application Deployment, Automation, Cloud Applications, Salesforce, ServiceNow
Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub, C# (Programming Language), Git (Version Control System), .NET Framework, Microsoft SQL Servers, Microsoft Visual Studio, Database Development, Application Development, Query Languages, Event-Driven Programming, Data Validation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Threat Modeling, Threat Detection, Intrusion Detection and Prevention, Exploitation techniques, Security Management, Network Security, Digital Forensics, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Video Production, Storyboarding, Videography, Storytelling, Video Editing, Facebook, Content Creation
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 1 - 3 Months