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Welcome to the MongoDB Realm Docs

MongoDB Realm is a development platform designed for modern, data-driven applications. You can use Realm to build mobile, web, desktop, and IoT.

Get started with a tutorial

Read the 5 Minute Introduction

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Realm includes an embedded, object-oriented database that lets you build real-time, offline-first applications. You can also use Realm's hosted application services as a secure backend that can sync data between devices, authenticate and manage users, and run serverless JavaScript functions.

Realm SDKs

Use platform-specific libraries to include and work with the Realm database in your application.

Java Swift .NET Node.js React Native Kotlin Web Flutter

MongoDB Realm

Discover how to sync data, define permissions, and connect to other services, including MongoDB Atlas.

Learn more about MongoDB Realm Application Services

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© 2022 MongoDB, Inc.