JRuby, an implementation of Ruby on the JVM
Ruby 3.9k 958
JRuby's OpenSSL gem
Rack for JRuby and Java appservers
Warbler chirpily constructs .war files of your Ruby applications.
The JRuby.org site
Catalog for jbang command line launcher
manage jar dependencies for ruby gems
Ant tasks and integration for Rake under JRuby
Java port of Oniguruma regexp library