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Home/Categories/Backend Development/Kuzzle
icon of Kuzzle

Kuzzle

Open source alternative to Firebase, AWS Amplify and Azure Cosmos DB

  • 1.7K stars
  • Apache-2.0
  • Active this week
  • Last commit 7 days ago

Last verified Oct 20, 2026

Kuzzle is an open source backend platform with a real-time API, database abstraction, authentication, and permissions built in. A self-hosted alternative to Firebase; Apache-2.0 licensed.

Visit websiteGitHub1.7K starsDeploy on Hostinger
image of Kuzzle
TL;DR

Kuzzle is a self-hosted backend tool with APIs, real-time notifications, persistent data, user management, and search for web, mobile, and IoT apps. It replaces Firebase-style hosted backends for teams that need infrastructure control and advanced query behavior. Apache-2.0 licensed.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who Kuzzle is for#

Teams building real-time apps

Use Kuzzle when a web, mobile, or IoT app needs real-time updates, API access, persistence, and permissions in one backend.

Skip if:

You want a fully managed zero-ops backend and accept vendor lock-in.

IoT teams managing live device data

Use Kuzzle for connected-device applications that need APIs, pub/sub, and searchable persistent data.

Skip if:

Your IoT stack already has a specialized managed device platform that covers all required protocols.

the problem

The problem it solves#

Backend-as-a-service tools help teams ship quickly, but they can lock application data, auth, real-time features, and pricing into one vendor. That hurts when a product needs custom infrastructure, data residency, or query behavior the hosted backend does not support.

Building the same backend primitives for every app is also wasteful. Teams need APIs, storage, auth, and real-time updates before they can focus on product-specific logic.

how Kuzzle solves it

How it solves it#

API-first backend

Provides standardized APIs for application data so teams can build web, mobile, and IoT clients without writing every backend primitive from scratch.

Real-time notifications

Supports pub/sub and database notifications, making it useful for live dashboards, collaborative apps, and IoT updates.

Persistent data and user management

Includes data storage, advanced search, login, logout, and security rules as built-in backend capabilities.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Common backend building blocks includedKuzzle bundles the pieces many apps repeatedly need: API access, persistence, real-time behavior, users, permissions, and SDK support.
  • Better fit for controlled deploymentsSelf-hosting gives teams a path for data residency, custom plugins, and infrastructure control that hosted BaaS products may not provide.

Trade-offs

  • -Requires backend operationsKuzzle reduces application backend work, but teams still operate the service, database/search dependencies, upgrades, and security policy.
tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptTypeScript
Messaging
WebSocket
Search
Elasticsearch
Cache
Redis
frequently asked

FAQ#

What is Kuzzle used for?

Kuzzle is used to build self-hosted backends with APIs, real-time notifications, persistent data, user management, and search.

Is Kuzzle a Firebase alternative?

Yes. Kuzzle can replace Firebase-style backend services for teams that need self-hosting, infrastructure control, and more backend customization.

What apps fit Kuzzle best?

Kuzzle fits web, mobile, and IoT applications that need real-time data, auth, search, and API access without assembling each backend piece separately.

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by category

Open source tools in these categories#

69

Backend Development

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n8n, Firecrawl, iptv61

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Hostinger

Run Kuzzle on your own server

Self-host Kuzzle on a Hostinger VPS.

Deploy on Hostinger

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