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Zulip

25.1k stars·Developer Tools·SHA-256 checksum verified

Zulip is an open-source team chat app with unique topic-based threading, combining email and chat for productive remote work.

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Zulip organizes team chat with topic-based threads, blending email clarity with chat speed.

Core Features

  • Topic-based threading prevents channel clutter
  • Live and asynchronous conversations
  • Extensive integrations and bots
  • Powerful search and history
  • Self-host or cloud

What It Can't Do

  • •Self-hosting requires Linux sysadmin skills; topic model has a learning curve; free tier has limitations (e.g., search history).

Use Cases

  • Remote team communication
  • Open source project collaboration
  • Cross-department enterprise chat

Zulip is an organized team chat designed for both live and asynchronous conversations. Its unique topic-based threading model combines the best of email and chat, making it easy to follow multiple discussions without noise. Used by Fortune 500 companies and leading open source projects like Rust. Built by a distributed community with over 1500 contributors, merging 500+ commits per month. Supports self-hosting on Ubuntu/Debian Linux or Docker, or use Zulip Cloud. Features include rich search, markdown formatting, code blocks, and extensive integrations.

Tags

team-chatopen-sourcethreaded-conversationsasynchronousself-hosted

Getting Started

1

Download installer

Click the button above to download the installer for your system

2

Install the software

Double-click the downloaded installer and follow the prompts

3

Step 1: Sign up at zulip.com or self-host

4

Step 2: Create or join an organization

5

Step 3: Start conversations by topic

Install Guide
  1. Step 1: Sign up at zulip.com or self-host
  2. Step 2: Create or join an organization
  3. Step 3: Start conversations by topic
File Integrity

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Open Source Transparency

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Environment Guide

Uninstall Info

Self-hosted: remove deployment directory and database; Cloud: cancel account in settings.

No Extra Dependencies

Ready to use after download. No additional runtime required.

Project Info
LicenseApache 2.0
Last Updated2026-10-24 13:07:16
GitHub RepositoryOfficial Website

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