Bring you a good laugh.

Normalize JAV folder name

Implements the JSON layouts for Jasonette https://docs.jasonette.com.

Jossh is a wrapper around Ruby Net::SSH with a simpler interface and prettier output

Journal font from fontsquirrel for Rails.

Allows you to extend MiniTest using reporters rather than monkey-patching

Clone gems from a specified author with `joya rubygems_username`

Tax calculation libs for Japan National tax

"put paramater 7 number in strings"

JpStockRule is a utility for stock markets in Japan.

Find string literals using Japanese chanracters in them

Make jQuery Cookie plugin available in the Rails asset pipeline.

Adapter for https://github.com/coop182/jquery.dfp.js

Sprockets processor for jquery.expand templates

Integrates jquery-raty into the Rails 3 asset pipeline.

This gem provides the JQuery Timeago plugin for your Rails application.

hdfs client for jruby.

Simple object mapping for Postgresql JSON

CLI json processor for Rubyists. jrq enable you to filter/map/reduce json without studying new syntax.

Uses the java library excelcom and JNA for modifying excel spreadsheets. Works on windows only.