Rroonga is an extension library to use Groonga's DB-API layer. Rroonga provides Rubyish readable and writable API not C like API. You can use Groonga's fast and highly functional features from Ruby with Rubyish form.

There are two usages. 1) Store data into Groonga. 2) Implement Groonga replication system. See documentation for details.

Groonga-client-model is a model interface for groonga-client.

Groonga-query-log is a collection of library and tools to process [Groonga](http://groonga.org/)'s query log. You can write a program to process query log by using groonga-query-log as a library. You can analyze your Groonga's queries and test with your Groonga's query log by using groonga-query-log as a tool.

Dumps records to Groonga.

Groonga command line clients can work without Groonga. `groonga` command provided by Groonga can only use for GQTP but they can use for both GQTP and HTTP.

[Groonga](http://groonga.org/) is a full text search engine. It also provides column store based database feature. Column store based database means that aggregate calculation is fast. You can use Groonga server as fast full text search server and fast [OLAP](https://en.wikipedia.org/wiki/Online_analytical_processing) (OnLine Analytical Processing) server.

Groonga delta provides delta based data import tools. They can import data to Groonga from other systems such as local file system, MySQL and PostgreSQL.