---
title: 'Twitter 1.0 Tech Stack'
description: 'Explore the tech stack behind Twitter 1.0: a deep dive into its architecture.'
image: 'https://assets.bytebytego.com/diagrams/0122-twitter1-0-tech-stack.jpg'
createdAt: '2024-02-21'
draft: false
categories:
  - real-world-case-studies
tags:
  - Architecture
  - Social Media
---

![](https://assets.bytebytego.com/diagrams/0122-twitter1-0-tech-stack.jpg)

*   **Mobile:** Swift, Kotlin, PWA
*   **Web:** JS, React, Redux
*   **Services:** Mesos, Finagle
*   **Caching:** Pelikan Cache, Redis
*   **Databases:** Manhattan, MySQL, PostgreSQL