What proprietary software does Zulip replace?

Zulip is a vetted open-source alternative to Slack, Microsoft Teams. Open-source threaded team chat designed to keep team communication organized and productive.

Is Zulip free and open source?

Zulip is open-source software under the Apache-2.0 license. Its source code and releases are publicly accessible.

Can I self-host Zulip?

Yes, Zulip supports self-hosting on your own servers or local infrastructure.

What operating systems and platforms are supported by Zulip?

Zulip is available on Web, macOS, Windows, Linux, iOS, Android.

Zulip — Sundev

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Communication

Zulip

Name: Zulip
Author: Zulip

Open-source threaded team chat designed to keep team communication organized and productive.

Open source·Self-hosting available

Get Zulip GitHub

GitHub stars26.1K26,062 stars

Community forks10.4KOpen collaboration

LicenseApache-2.0Read the full license

PlatformsWeb · macOS · WindowsAlso Linux, iOS, Android

Last activityOct 16Repository push date

Screenshots

Official project imagery

Best for

A good fit for distributed teams needing secure, self-sovereign chat and collaboration..

Requires Docker runtime and 4GB+ RAM for self-hosted instances.

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📦

Official Installation & Quickstart

Full deployment docs

Standard Docker Compose deployment

version: '3.8'
services:
  zulip:
    image: zulip:latest
    restart: always
    ports:
      - "8080:8080"

About Zulip

Zulip is a modern self-hosted, privacy-first communication solution. Open-source threaded team chat designed to keep team communication organized and productive. Built for users and teams demanding full data ownership, Zulip eliminates proprietary vendor lock-in while delivering an intuitive, reliable experience.

Private & self-sovereign: Complete control over your data with no mandatory cloud account
One-click containerized deployment with Docker and Docker Compose
Full compatibility and responsive operation across Web, macOS, Windows, Linux, iOS, Android
Built-in support for apache integration and workflows
Built-in support for chat integration and workflows
Built-in support for collaboration integration and workflows

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SlackMicrosoft Teams

These tools share use cases. Features, costs, and deployment needs differ.

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