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: Role-Based Access Control (RBAC), Microsoft Azure, Azure Active Directory, Cloud Solutions, Identity and Access Management, Cloud Management, Solution Architecture, Data Governance, Data Management, Cloud Security, Cloud Computing Architecture, System Monitoring, Authorization (Computing), Authentications, Application Performance Management, Key Management
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Virtual Machines, Debugging, Virtualization, Application Development, Development Environment, Software Installation, Python Programming, Programming Principles, Program Development, Computer Programming, Software Development
Mixed · 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: 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

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: 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: 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: 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

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Cryptography, Authentications, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks