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: Node.JS, Web Development, HTML and CSS, Front-End Web Development, Web Servers, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Applications, JavaScript Frameworks, Server Side, Javascript, Middleware, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Responsive Web Design, User Interface and User Experience (UI/UX) Design, User Experience Design, Digital Design, Web Design, Graphic and Visual Design, User Experience, Motion Graphics, Adobe XD, Interactive Design, No-Code Development, Graphic Design, Color Matching, Layout Design, Visual Design, Graphic and Visual Design Software, Design, Graphics Software
★ 5 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Power BI, Data Modeling, Data Analysis Expressions (DAX), Data Transformation, Data Wrangling, Interactive Data Visualization, Business Intelligence, Data Visualization Software, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Process Improvement, Operational Excellence, Operational Analysis, Process Improvement and Optimization, Operational Efficiency, Inventory Control, Inventory Management, Inventory Management System, Inventory and Warehousing, Operations, Operations Management, Supply Chain Management, Supply Chain, Procurement, Supply Chain Systems, Purchasing, Capacity Planning, Inventory Control Systems, Change Management, Problem Solving
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Intercompany Accounting, Technical Accounting, Risk Analysis, Revenue Recognition, Corporate Accounting, International Financial Reporting Standards, Consolidation, Financial Reporting, Financial Controls
★ 4.7 (20) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, User Interface (UI), Web Design and Development, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Gateway, API Design, Front-End Web Development, Web Design, MongoDB, Cascading Style Sheets (CSS), Database Theory, Database Management, OAuth, Software Documentation
★ 5 (7) · Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development, UI Components, Interactive Design, Hypertext Markup Language (HTML), Typography, Design Strategies, Aesthetics
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Application Deployment, Spring Boot, Spring Framework, Object Oriented Design, Back-End Web Development, Data Modeling, Software Architecture, Object-Relational Mapping, System Configuration, Model View Controller, Application Frameworks, Server Side, Web Applications, Data Persistence, Object Oriented Programming (OOP), Business Logic
★ 5 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Security, Database Management, Data Security, Relational Databases, Disaster Recovery, Cloud Management, Data Infrastructure, Databases, System Monitoring, Data Storage, Data Management, Continuous Monitoring, Database Administration, Event Monitoring, IT Infrastructure, Role-Based Access Control (RBAC), Cloud Deployment, Encryption, Application Performance Management
★ 5 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon CloudWatch, Dashboard Creation, Interactive Data Visualization, Authentications, DevOps, Amazon Web Services, System Configuration, Software Installation
★ 5 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Development Environment, Computer Graphics, Visualization (Computer Graphics), Graphics Software, Cross Platform Development, Computer Graphic Techniques, Video Game Development, Computer Programming Tools, Program Development, Software Installation, System Configuration
★ 5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Relationship Management, Six Sigma Methodology, Continuous Improvement Process, Operational Excellence, Quality Management, Process Improvement, Customer experience strategy (CX), Quality Improvement, Production Management, Quality Management Systems, Customer Relationship Building, Quality Assurance and Control, Operational Efficiency, Product Quality (QA/QC), Production Process, Quality Assurance, Process Optimization, Customer experience improvement, Risk Analysis, Customer Engagement
★ 5 (12) · Mixed · Course · 1 - 3 Months