| # | Total Rank | Daily Rank | Name | Summary |
|---|---|---|---|---|
| 1 | 13 | 11 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 21 | 17 | thread_safe | A collection of data structures and utilities to make thread-safe programming in Ruby e... |
| 3 | 28 | 16 | ffi | Ruby FFI library |
| 4 | 627 | 1,474 | atomic | An atomic reference implementation for JRuby, Rubinius, and MRI |
| 5 | 710 | 1,480 | spoon | Spoon is an FFI binding of the posix_spawn function (and Windows equivalent), providing... |
| 6 | 851 | 766 | psych | Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/Lib... |
| 7 | 876 | 1,471 | jruby-openssl | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. |
| 8 | 1,242 | 2,247 | jruby-launcher | Builds and installs a native launcher for JRuby on your system |
| 9 | 1,419 | 2,491 | activerecord-jdbc-adapter | AR-JDBC is a database adapter for Rails' ActiveRecord component designed to be used wit... |
| 10 | 1,670 | 3,399 | jdbc-mysql | Install this gem `require 'jdbc/mysql'` and invoke `Jdbc::MySQL.load_driver` within JRu... |
| 11 | 1,864 | 9,101 | bouncy-castle-java | Gem redistribution of "Legion of the Bouncy Castle Java cryptography APIs" jars at http... |
| 12 | 1,900 | 2,260 | jar-dependencies | manage jar dependencies for gems and keep track which jar was already loaded using mave... |
| 13 | 1,904 | 2,836 | ruby-maven | maven support for ruby DSL pom files. MRI needs java/javac installed. |
| 14 | 2,018 | 3,672 | activerecord-jdbcmysql-adapter | MySQL JDBC adapter for JRuby on Rails. |
| 15 | 2,066 | 3,784 | jruby-jars | This gem includes the core JRuby code and the JRuby 1.8/1.9 stdlib as jar files. It pro... |
| 16 | 2,188 | 4,042 | jdbc-postgres | Install this gem `require 'jdbc/postgres'` and invoke `Jdbc::Postgres.load_driver` with... |
| 17 | 2,210 | 3,543 | jdbc-sqlite3 | Install this gem `require 'jdbc/sqlite3'` and invoke `Jdbc::SQLite3.load_driver` within... |
| 18 | 2,215 | 3,757 | activerecord-jdbcsqlite3-adapter | Sqlite3 JDBC adapter for JRuby on Rails. |
| 19 | 2,346 | 4,403 | activerecord-jdbcpostgresql-adapter | Postgres JDBC adapter for JRuby on Rails. |
| 20 | 2,515 | 7,284 | rubinius-core-api | Cross-impl versions of interesting Rubinius core classes |
| 21 | 2,526 | 7,315 | rubinius-actor | Rubinius's Actor implementation |
| 22 | 4,044 | 8,351 | jdbc-derby | Install this gem `require 'jdbc/derby'` and invoke `Jdbc::Derby.load_driver` within JRu... |
| 23 | 4,346 | 22,772 | activerecord-jdbch2-adapter | H2 JDBC adapter for JRuby on Rails. |
| 24 | 4,501 | 39,614 | activerecord-jdbchsqldb-adapter | HSQLDB JDBC adapter for JRuby on Rails. |
| 25 | 4,583 | 22,772 | activerecord-jdbcderby-adapter | Derby JDBC adapter for JRuby on Rails. |
| 26 | 5,001 | 5,963 | maven-tools | adds versions conversion from rubygems to maven and vice versa, ruby DSL for POM (Proje... |
| 27 | 6,997 | 28,093 | dbd-jdbc | A JDBC DBD driver for Ruby DBI |
| 28 | 7,727 | 5,524 | pg_jruby | This file needs a translation of the English README. Pull requests, patches, or volunte... |
| 29 | 7,886 | 24,730 | rmagick4j | RMagick4J ========= |
| 30 | 9,139 | 39,614 | ruboto | Ruboto (JRuby on Android) is a platform for developing full stand-alone apps for Androi... |
| 31 | 9,187 | 39,614 | ActiveRecord-JDBC | ActiveRecord-JDBC is a database adapter for Rails' ActiveRecord component that can be u... |
| 32 | 9,354 | 22,772 | jdbc-h2 | Install this gem `require 'jdbc/h2'` and invoke `Jdbc::H2.load_driver` within JRuby to ... |
| 33 | 9,753 | 39,614 | weakling | A modified WeakRef impl for JRuby plus some weakref-related tools |
| 34 | 10,853 | 15,876 | jmx | Access and create MBeans in a friendly Ruby syntax |
| 35 | 11,566 | 17,859 | image_voodoo | Image manipulation in JRuby with ImageScience compatible API |
| 36 | 13,178 | 39,614 | bitescript | BiteScript is a Ruby DSL for generating Java bytecode and classes. |
| 37 | 15,151 | 39,614 | JRuby-OpenSSL | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. |
| 38 | 16,937 | 39,614 | mirah | Mirah is a customizable programming language featuring static types, local type inferen... |
| 39 | 17,802 | 39,614 | ruboto-core | Obsolete package. Use the "ruboto" gem instead. |
| 40 | 20,673 | 39,614 | jruby-readline | readline extension for JRuby |
| 41 | 23,539 | 32,067 | jdbc-hsqldb | Install this gem `require 'jdbc/hsqldb'` and invoke `Jdbc::HSQLDB.load_driver` within J... |
| 42 | 24,411 | 14,942 | jruby-ldap | Port of Ruby/LDAP to JRuby |
| 43 | 33,069 | 10,364 | rake-ant | Ant tasks and integration for Rake |
| 44 | 35,079 | 39,614 | walters | JRuby wrapper for Houdini html escaping library |
| 45 | 37,266 | 39,614 | AntBuilder | AntBuilder: Use ant from JRuby. Only usable within JRuby |
| 46 | 43,596 | 39,614 | duby | Duby is a customizable programming language featuring static types, local type inferenc... |
| 47 | 51,506 | 39,614 | cloby | Clojure-based transactional semantics for Ruby instance variables |
| 48 | 53,125 | 39,614 | java-inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... |
| 49 | 55,187 | 39,614 | java_inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... |
| 50 | 59,724 | 15,382 | jruby-pg | This file needs a translation of the English README. Pull requests, patches, or volunte... |
| 51 | 61,766 | 32,067 | maven_gem | MavenGem is a tool, library, and gem plugin to install any Maven-published Java library... |
| 52 | 64,706 | 39,614 | javasand | Sandbox support for JRuby. Only usable with JRuby |
| 53 | 64,935 | 39,614 | ruby2java | The Ruby2Java compiler inspects the *runtime* definition of classes to produce a normal... |
| 54 | 65,703 | 39,614 | jruby-spymemcached | A JRuby extension wrapping the spymemcached library |
| 55 | 70,421 | 39,614 | forkjoin | A JRuby extension to efficiently wrap the JSR166 Fork/Join framework. |
| 56 | 71,929 | 39,614 | mirah_model | Mirah Model is a ORM library for App Engine's datastore. It is inspired by ActiveRecord... |
| 57 | 72,111 | 32,067 | markdown_meta | Meta-gem for markdown parsing |
| 58 | 72,165 | 39,614 | jo | An implementation of goroutines and channels for Ruby |
| 59 | 73,779 | 39,614 | boing | A command running that's aware of the Drip prebooter for JRuby. |
| 60 | 83,854 | 39,614 | mongrel_jcluster | Mongrel plugin that provides commands for managing multiple Mongrel processes in a JVM. |
| 61 | 87,392 | 39,614 | dashing-jruby | This framework lets you build & easily layout dashboards with your own custom widge... |
| 62 | 95,526 | 39,614 | stemmer4jr | Stemmer4Jr |
| 63 | 96,781 | 39,614 | jsr166y | A gem wrapping the jsr166y.jar file for Java 7's java.util.concurrent features |
| 64 | 100,974 | 39,614 | jruby_gc_stats | A set of GC-monitoring methods for JRuby similar to those in Ruby Enterprise Edition |
| 65 | 111,159 | 39,614 | lazy_enumerator | A pure-Ruby implementation of Ruby 2.0's Enumerator::Lazy |
| 66 | 112,820 | 39,614 | rubytidy | A tool to mimic "perltidy" for tidying up Ruby source |
| 67 | 132,148 | 19,861 | jruby-startup | A set of utilities to improve the startup time of JRuby's command line |
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