| 1 | 13 | 7 | json | This is a JSON implementation as a Ruby extension in C. | 
        | 2 | 27 | 37 | ffi | Ruby FFI library | 
        | 3 | 64 | 313 | thread_safe | A collection of data structures and utilities to make thread-safe programming in Ruby e... | 
        | 4 | 287 | 89 | psych | Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/Lib... | 
        | 5 | 295 | 271 | ffi-compiler | Ruby FFI library | 
        | 6 | 431 | 145 | net-http | HTTP client api for Ruby. | 
        | 7 | 753 | 857 | json_pure | This is a JSON implementation in pure Ruby. | 
        | 8 | 1,404 | 2,680 | atomic | An atomic reference implementation for JRuby, Rubinius, and MRI | 
        | 9 | 1,529 | 1,978 | spoon | Spoon is an FFI binding of the posix_spawn function (and Windows equivalent), providing... | 
        | 10 | 1,617 | 2,367 | jruby-openssl | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. | 
        | 11 | 2,347 | 2,211 | jar-dependencies | manage jar dependencies for gems and keep track which jar was already
loaded using mave... | 
        | 12 | 2,526 | 1,843 | io-wait | Waits until IO is readable or writable without blocking. | 
        | 13 | 2,937 | 2,280 | activerecord-jdbc-adapter | AR-JDBC is a database adapter for Rails' ActiveRecord component designed to be used wit... | 
        | 14 | 3,078 | 2,882 | jruby-jars | This gem includes JRuby core and the Ruby standard library as jar files.
It provides a ... | 
        | 15 | 3,116 | 7,830 | jruby-launcher | Builds and installs a native launcher for JRuby on your system | 
        | 16 | 3,219 | 3,039 | jruby-rack | JRuby-Rack is a combined Java and Ruby library that adapts the Java Servlet API to Rack... | 
        | 17 | 3,311 | 2,327 | ruby-maven-libs | maven distribution as gem - no ruby executables ! | 
        | 18 | 3,316 | 2,378 | ruby-maven | maven support for ruby DSL pom files. MRI needs java/javac installed. | 
        | 19 | 3,671 | 3,439 | jdbc-mysql | Install this gem `require 'jdbc/mysql'` and invoke `Jdbc::MySQL.load_driver` within JRu... | 
        | 20 | 3,839 | 3,080 | warbler | Warbler is a gem to make a Java jar or war file out of any Ruby,
Rails, or Rack applica... | 
        | 21 | 3,947 | 2,879 | jdbc-postgres | Install this gem `require 'jdbc/postgres'` and invoke `Jdbc::Postgres.load_driver` with... | 
        | 22 | 4,028 | 2,630 | activerecord-jdbcpostgresql-adapter | Postgres JDBC adapter for JRuby on Rails. | 
        | 23 | 4,115 | 3,276 | activerecord-jdbcmysql-adapter | MySQL JDBC adapter for JRuby on Rails. | 
        | 24 | 4,125 | 3,643 | jdbc-sqlite3 | Install this gem `require 'jdbc/sqlite3'` and invoke `Jdbc::SQLite3.load_driver` within... | 
        | 25 | 4,216 | 4,230 | activerecord-jdbcsqlite3-adapter | Sqlite3 JDBC adapter for JRuby on Rails. | 
        | 26 | 4,678 | 16,358 | bouncy-castle-java | Gem redistribution of "Legion of the Bouncy Castle Java cryptography APIs" jars at http... | 
        | 27 | 5,300 | 3,211 | image_voodoo | Image manipulation in JRuby with ImageScience compatible API | 
        | 28 | 5,750 | 14,327 | rubinius-core-api | Cross-impl versions of interesting Rubinius core classes | 
        | 29 | 5,765 | 14,204 | rubinius-actor | Rubinius's Actor implementation | 
        | 30 | 7,616 | 11,562 | maven-tools | adds versions conversion from rubygems to maven and vice versa, ruby DSL for POM (Proje... | 
        | 31 | 8,062 | 13,493 | jdbc-derby | Install this gem `require 'jdbc/derby'` and invoke `Jdbc::Derby.load_driver` within JRu... | 
        | 32 | 8,413 | 7,955 | activerecord-jdbch2-adapter | H2 JDBC adapter for JRuby on Rails. | 
        | 33 | 8,430 | 12,086 | jbundler | managing jar dependencies with or without bundler. adding bundler like handling of vers... | 
        | 34 | 8,655 | 7,733 | activerecord-jdbchsqldb-adapter | HSQLDB JDBC adapter for JRuby on Rails. | 
        | 35 | 8,780 | 8,319 | activerecord-jdbcderby-adapter | Derby JDBC adapter for JRuby on Rails. | 
        | 36 | 10,436 | 3,217 | jmx | Access and create MBeans in a friendly Ruby syntax | 
        | 37 | 13,386 | 9,013 | rake-ant | Ant tasks and integration for Rake | 
        | 38 | 14,244 | 19,256 | dbd-jdbc | A JDBC DBD driver for Ruby DBI | 
        | 39 | 14,636 | 13,812 | ruboto | Ruboto (JRuby on Android) is a platform for developing full stand-alone apps for
Androi... | 
        | 40 | 15,139 | 20,049 | rmagick4j | RMagick4J
========= | 
        | 41 | 15,905 | 43,677 | pg_jruby | This file needs a translation of the English README. Pull requests, patches, or
volunte... | 
        | 42 | 16,722 | 27,163 | jdbc-h2 | Install this gem `require 'jdbc/h2'` and invoke `Jdbc::H2.load_driver` within JRuby to ... | 
        | 43 | 17,922 | 15,232 | ActiveRecord-JDBC | ActiveRecord-JDBC is a database adapter for Rails' ActiveRecord component that can be u... | 
        | 44 | 18,451 | 26,055 | weakling | A modified WeakRef impl for JRuby plus some weakref-related tools | 
        | 45 | 19,139 | 12,808 | jruby-pg | This file needs a translation of the English README. Pull requests, patches, or
volunte... | 
        | 46 | 21,929 | 15,765 | bitescript | BiteScript is a Ruby DSL for generating Java bytecode and classes. | 
        | 47 | 24,999 | 23,475 | mirah | Mirah is a customizable programming language featuring static types,
local type inferen... | 
        | 48 | 27,594 | 22,752 | ruboto-core | Obsolete package.  Use the "ruboto" gem instead. | 
        | 49 | 32,075 | 70,114 | JRuby-OpenSSL | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. | 
        | 50 | 34,018 | 23,475 | jdbc-hsqldb | Install this gem `require 'jdbc/hsqldb'` and invoke `Jdbc::HSQLDB.load_driver` within J... | 
        | 51 | 37,860 | 50,952 | jruby-ldap | Port of Ruby/LDAP to JRuby | 
        | 52 | 38,873 | 33,889 | jruby-startup | A set of utilities to improve the startup time of JRuby's command line | 
        | 53 | 43,278 | 78,639 | jruby-readline | readline extension for JRuby | 
        | 54 | 45,000 | 30,910 | walters | JRuby wrapper for Houdini html escaping library | 
        | 55 | 57,431 | 25,072 | AntBuilder | AntBuilder: Use ant from JRuby. Only usable within JRuby | 
        | 56 | 64,891 | 61,992 | duby | Duby is a customizable programming language featuring static types,
local type inferenc... | 
        | 57 | 71,639 | 43,677 | cloby | Clojure-based transactional semantics for Ruby instance variables | 
        | 58 | 74,281 | 43,677 | java-inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... | 
        | 59 | 85,572 | 70,114 | maven_gem | MavenGem is a tool, library, and gem plugin to install any Maven-published
Java library... | 
        | 60 | 86,868 | 55,788 | jo | An implementation of goroutines and channels for Ruby | 
        | 61 | 88,959 | 55,788 | javasand | Sandbox support for JRuby. Only usable with JRuby | 
        | 62 | 90,076 | 61,992 | ruby2java | The Ruby2Java compiler inspects the *runtime* definition of classes
to produce a normal... | 
        | 63 | 91,595 | 78,639 | java_inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... | 
        | 64 | 92,215 | 55,788 | markdown_meta | Meta-gem for markdown parsing | 
        | 65 | 94,247 | 37,994 | boing | A command running that's aware of the Drip prebooter for JRuby. | 
        | 66 | 95,040 | 70,114 | forkjoin | A JRuby extension to efficiently wrap the JSR166 Fork/Join framework. | 
        | 67 | 97,548 | 61,992 | mirah_model | Mirah Model is a ORM library for App Engine's datastore. It is inspired by ActiveRecord... | 
        | 68 | 101,432 | 108,010 | jruby-spymemcached | A JRuby extension wrapping the spymemcached library | 
        | 69 | 104,137 | 46,838 | dashing-jruby | This framework lets you build & easily layout dashboards with your own custom widge... | 
        | 70 | 117,399 | 70,114 | mongrel_jcluster | Mongrel plugin that provides commands for managing multiple Mongrel processes in a JVM. | 
        | 71 | 124,753 | 90,620 | stemmer4jr | Stemmer4Jr | 
        | 72 | 125,216 | 90,620 | jsr166y | A gem wrapping the jsr166y.jar file for Java 7's java.util.concurrent features | 
        | 73 | 129,577 | 61,992 | jruby_gc_stats | A set of GC-monitoring methods for JRuby similar to those in Ruby Enterprise Edition | 
        | 74 | 134,990 | 108,010 | lazy_enumerator | A pure-Ruby implementation of Ruby 2.0's Enumerator::Lazy | 
        | 75 | 140,489 | 108,010 | rubytidy | A tool to mimic "perltidy" for tidying up Ruby source | 
        | 76 | 165,109 | 90,620 | jruby-async-profiler | This gem contains the sources and build scripts to build the async-profiler JVM plugin.... | 
        | 77 | 187,498 | 61,992 | image_voodoo_demo | A simple demo of the image_voodoo gem. |