BootstrapGenerators will provide your application with great scaffold pages and CRUD functionalities

RailsPatterns contains a bunch of useful classes for a great Rails project

Gem focused on events for meta-programing

Compile and render Jade templates from Ruby

Turn any page into a content-managed page.

Simple programming language builder inspired by interpreter pattern. You can build your own languages with custom operands and operators for any project purposes.

Create, publish, and maintain jam packages.

Jamnagar is a library for processing content using an petroleum refinement metaphor.

Because sometimes you just need to feed PostgreSQL a lot of data.

Automated visual regression testing on Sauce Labs.

A pure Ruby library to generate SVG images for Japanese bookkeeping.

Japanese calendar utility for Ruby

Utility of Japanese local governments data

Ruby implementation of NodeJS json-api-normalizer

Gem jarvissongbot uses to take user input and transform it into queryable music track found on enabled providers (youtube, spotify), validating it afterwards

Just Another Service Object

Write specifications for the expected json, without writing json

JAT serializer allows you to generate a JSON response based on the fields requested by the client. Besides, it helps to preload relations to avoid N+1 when used with activerecord.

This gem converts a Journal Publishing Tag Set (Jats) XML file into a ruby hash compatible with the Lens document format

Provides a set of utilities for use in Cloud Foundry Java buildpacks