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Community Query Libraries
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Some great folks have written their own libraries to interact with Druid

#### JavaScript

* [facetjs/facetjs](https://github.com/facetjs/facetjs) - A general query planner for Druid written in JavaScript

#### Node.js

* [7eggs/node-druid-query](https://github.com/7eggs/node-druid-query) - A Node.js client for Druid

#### Clojure

* [y42/clj-druid](https://github.com/y42/clj-druid) - A Clojure client for Druid

#### Python

* [metamx/pydruid](https://github.com/metamx/pydruid) - A python client for Druid

#### R

* [metamx/RDruid](https://github.com/metamx/RDruid) - Druid connector for R

#### Ruby

* [madvertise/ruby-druid](https://github.com/madvertise/ruby-druid) - A ruby client for Druid

#### SQL

* [srikalyc/Sql4D](https://github.com/srikalyc/Sql4D) - A SQL client for Druid. Used in production at Yahoo.
* [facetjs/facet-cli](https://github.com/facetjs/facet-cli) - A command line interface for issuing SQL queries to Druid via [facetjs](https://github.com/facetjs/facetjs)

#### TypeScript

* [facetjs/typescript-druid](https://github.com/facetjs/typescript-druid) - TypeScript declarations for the Druid API


Community Helper Libraries
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* [madvertise/druid-dumbo](https://github.com/madvertise/druid-dumbo) - Scripts to help generate batch configs for the ingestion of data into Druid
* [housejester/druid-test-harness](https://github.com/housejester/druid-test-harness) - A set of scripts to simplify standing up some servers and seeing how things work
* [mingfang/docker-druid](https://github.com/mingfang/docker-druid) - A Dockerfile to run the entire Druid cluster