---
title: "#messaging-app articles | Hashnode"
description: "Explore 8 articles tagged #messaging-app on Hashnode. Tutorials, guides, and how-tos from the community."
url: "https://hashnode.com/tag/messaging-app"
---

Tag

# #messaging-app

8 posts · 0 followers

[Arjun Saxena](https://hashnode.com/@arjunsaxena122) · [May 30](https://hashnode.com/posts/how-whats-app-works-without-internet-offline-messaging-and-sync-explained/6a1a7f2996959627500bf50a)

### [How Whats App Works Without Internet: Offline Messaging and Sync Explained](https://arjun-dev.hashnode.dev/how-whats-app-works-without-internet-offline-messaging-and-sync-explained?utm_source=hashnode&utm_medium=feed)

Discover how WhatsApp handles offline messages, syncing, delivery states, media uploads, and eventual consistency.

7 min read · [arjun-dev.hashnode.dev](https://arjun-dev.hashnode.dev/how-whats-app-works-without-internet-offline-messaging-and-sync-explained?utm_source=hashnode&utm_medium=feed)

[Kawal Jain](https://hashnode.com/@kawaljain) · [May 18, 2025](https://hashnode.com/posts/building-a-scalable-chat-app/68293a8dbd215029f13c9ae2)

### [Building a Scalable Chat App](https://blog.kawaljain.com/building-a-scalable-chat-app?utm_source=hashnode&utm_medium=feed)

Learn how to build a real-time, horizontally scalable chat application using Node.js, Socket.IO, Express, and Redis Pub/Sub architecture. Perfect for produc

3 min read · [blog.kawaljain.com](https://blog.kawaljain.com/building-a-scalable-chat-app?utm_source=hashnode&utm_medium=feed)