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RethinkDB

The open-source database for the realtime web

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RethinkDB is an open-source, scalable database that pushes JSON data to applications in realtime, reducing the need for polling. It is designed for building reactive web and mobile apps, multiplayer games, realtime marketplaces, streaming analytics, and connected device (IoT) infrastructures.

It provides a query language (ReQL) accessible from Python, Ruby, Node.js, and other languages, with support for joins, location-aware queries, multimedia and time-series data, aggregation, map/reduce, and flexible indexing. The database features a distributed architecture with sharding and replication manageable through a web UI or API, along with live cluster statistics and job monitoring. It installs on Linux, OS X, and DigitalOcean, and works with realtime technologies such as Socket.io and SignalR.

RethinkDB is open source and developed by a community of contributors. The current release is version 2.4.4.

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