What is needed to build a chat app?

[Abirami]

Building a real-time chat app requires a combination of various tech stacks, such as those mentioned below.

1. Frontend: React, Angular, VueJs, React Native, etc.
2. Backend: Javascript, Node.JS, Python, Ruby, etc.
3. Mobile apps: Kotlin, Swift, etc.
4. Real-time engine: WebSocket, WebRTC, etc.
5. Database: MySQL, NoSQL, etc.
6. Multiplatform: React, Flutter, React Native, Angular, etc.
7. Hosting: AWS, Oracle, Azure, etc.