JRuby, an implementation of Ruby on the JVM

Shoes 4 : the next version of Shoes

Warbler chirpily constructs .war files of your Ruby applications.

DSL Framework consisting of a DSL Engine and a Data-Binding Library used in Glimmer DSL for SWT (JRuby Desktop Development GUI Framework), Glimmer DSL for Opal (Pure Ruby Web GUI), Glimmer DSL for LibUI (Prerequisite-Free Ruby Desktop Development GUI Library), Glimmer DSL for Tk (Ruby Tk Desktop Development GUI Library), Glimmer DSL for GTK (Rub…

JRuby's ActiveRecord adapter using JDBC.

Rack for JRuby and Java appservers

ArchivesSpace, the archives management tool

JDBC output for Logstash

Realtime MIDI IO for Ruby

RSpec Tracer is a specs dependency analyzer, flaky tests detector, tests accelerator, and coverage reporter tool.

Scorched Earth clone in JRuby with no dependencies.

Embulk output plugin to load/insert data into Google BigQuery

💪 Ruby / JRuby / TrufflleRuby gem & CLI for dealing with proxy lists from various sources

Glimmer DSL for SWT (JRuby Desktop Development Cross-Platform Native GUI Framework) - The Quickest Way From Zero To GUI - If You Liked Shoes, You'll Love Glimmer!

Idiomatic, fast and well-maintained JRuby client for RabbitMQ

Offline Geocoder

Machine Learning & Data Mining with JRuby

A feedforward neural network implementation for JRuby

A JRuby wrapper around the JGit library for manipulating Git repositories, the Ruby way.

JRuby wrapper around SikuliX java classes