Output to PostgreSQL database which has a hstore extension

fluentd plugin for Amazon RDS for PostgreSQL log input

Amazon RDS slow_log input plugin for Fluent event collector

output split array plugin for fluentd

Fluentd plugin to re-emit messages avoiding infinity match loop

Fluentd filter plugin to split array

Syslog TLS output plugin with formatting support, for Fluentd

Treasure Data Cloud Data Service plugin for Fluentd

typecast output plugin for fluentd

Fluend output plugin to forward logs to VMware Aria Operations For Logs

parsing by Project Woothee. See https://github.com/woothee/woothee

FlyData Agent

Lookup IPv4 and IPv6 addresses in Maxmind GeoIP2 database files

A Ruby interface to Gmail API (NO IMAP, NO SMTP). Search, read and send multipart emails; archive, mark as read/unread, delete emails; and manage labels. Everything is done through the Gmail API without going through IMAP or SMTP Protocol

Async framework for writing API servers

Protect your Grape API from forgery attacks like Rails.

Groonga-client gem supports HTTP or [GQTP (Groonga Query Transfer Protocol)](http://groonga.org/docs/spec/gqtp.html) as the protocol using a client.

Groonga-command is a library that represents [Groonga](http://groonga.org/)'s command. You can write a program that handle Groonga's command by using groonga-command.

Create translations for your ActiveRecord models. Uses delegate pattern. Fully tested and used in a several production sites.

Hatenablog AtomPub API library