A Ruby library for limiting the number of times a method can be invoked within a specified time period.

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

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

Secure, lightweight Rack middleware for Amazon Simple Notification Service (SNS) endpoints. SNS messages are intercepted, parsed, verified, and then passed along to the web application via the 'sns.message' environment key. Heroic::SNS has no dependencies besides Rack (specifically, the aws-sdk g...

Sinatra project generator.

A persistence library based more closely on the repository model. Used in production for several years.

Core library for Iron products

Build tools for JavaScript projects

Image generator for Jekyll 3 websites that automatically convert images from one format to another.

Generate static sites with Jekyll based on RDF data

jr is jq like JSON processor. Its script can be written in Ruby

Installing kindlegen command, downloading tar.gz file from amazon.com, and extracting it and copy kindlegen command to bin.

Kondate is yet another nodes management framework for Itamae/Serverspec.

Ruby FFI bindings to libmagic

The Mailosaur Ruby library lets you integrate email and SMS testing into your continuous integration process.

Ruby memory profiler for >= Ruby 2.1.0

MessagePack-RPC, asynchronous RPC library using MessagePack