Here are some popular apps built using the MEAN Stack:

1. LinkedIn

• Use Case: Backend services for real-time messaging.
• Why MEAN?: Node.js enables efficient handling of concurrent connections and real-time communication.

2. PayPal

• Use Case: Payment processing and user interfaces.
• Why MEAN?: Node.js powers fast and scalable transactions, while Angular enhances the user experience.

3. Netflix

• Use Case: Real-time streaming and responsive web apps.
• Why MEAN?: Node.js helps manage high traffic loads and asynchronous data flows.

4. Uber

• Use Case: Real-time booking, notifications, and dynamic pricing.
• Why MEAN?: Node.js ensures quick updates and efficient data exchange.

5. Accenture

• Use Case: Web-based enterprise solutions.
• Why MEAN?: The flexibility and scalability of MEAN make it suitable for large-scale enterprise applications.

6. Upwork

• Use Case: Dynamic dashboards and interactive features.
• Why MEAN?: Angular provides a seamless front-end experience, and MongoDB handles dynamic data efficiently.

7. Forbes

• Use Case: Real-time publishing of financial news and blogs.
• Why MEAN?: MongoDB manages large datasets effectively, while Node.js ensures fast page loading times.

8. Trello

• Use Case: Task and project management tools.
• Why MEAN?: Real-time collaboration features like board updates are powered by Node.js.

9. YouTube

• Use Case: Real-time data streaming and dynamic content.
• Why MEAN?: Node.js ensures efficient streaming services and scalability.

10. IBM

• Use Case: Cloud-based services and enterprise solutions.
• Why MEAN?: The flexibility of MEAN Stack enables IBM to create modular and robust web apps.

These examples showcase how the MEAN Stack supports modern, dynamic, and scalable applications across industries. Let me know if you’d like deeper insights into any of these cases!