| # | Total Rank | Daily Rank | Name | Summary |
|---|---|---|---|---|
| 1 | 14 | 14 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 21 | 22 | thread_safe | A collection of data structures and utilities to make thread-safe programming in Ruby e... |
| 3 | 26 | 26 | ffi | Ruby FFI library |
| 4 | 707 | 1,341 | atomic | An atomic reference implementation for JRuby, Rubinius, and MRI |
| 5 | 800 | 1,517 | spoon | Spoon is an FFI binding of the posix_spawn function (and Windows equivalent), providing... |
| 6 | 853 | 915 | psych | Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/Lib... |
| 7 | 929 | 1,309 | jruby-openssl | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. |
| 8 | 1,342 | 2,555 | jruby-launcher | Builds and installs a native launcher for JRuby on your system |
| 9 | 1,495 | 3,476 | activerecord-jdbc-adapter | AR-JDBC is a database adapter for Rails' ActiveRecord component designed to be used wit... |
| 10 | 1,799 | 3,628 | jdbc-mysql | Install this gem `require 'jdbc/mysql'` and invoke `Jdbc::MySQL.load_driver` within JRu... |
| 11 | 1,966 | 2,453 | jar-dependencies | manage jar dependencies for gems and keep track which jar was already loaded using mave... |
| 12 | 2,001 | 3,290 | ruby-maven | maven support for ruby DSL pom files. MRI needs java/javac installed. |
| 13 | 2,035 | 14,662 | bouncy-castle-java | Gem redistribution of "Legion of the Bouncy Castle Java cryptography APIs" jars at http... |
| 14 | 2,170 | 5,022 | activerecord-jdbcmysql-adapter | MySQL JDBC adapter for JRuby on Rails. |
| 15 | 2,228 | 4,154 | jruby-jars | This gem includes the core JRuby code and the JRuby 1.8/1.9 stdlib as jar files. It pro... |
| 16 | 2,399 | 5,262 | jdbc-sqlite3 | Install this gem `require 'jdbc/sqlite3'` and invoke `Jdbc::SQLite3.load_driver` within... |
| 17 | 2,403 | 5,539 | activerecord-jdbcsqlite3-adapter | Sqlite3 JDBC adapter for JRuby on Rails. |
| 18 | 2,406 | 4,181 | jdbc-postgres | Install this gem `require 'jdbc/postgres'` and invoke `Jdbc::Postgres.load_driver` with... |
| 19 | 2,526 | 4,579 | activerecord-jdbcpostgresql-adapter | Postgres JDBC adapter for JRuby on Rails. |
| 20 | 2,749 | 8,700 | rubinius-core-api | Cross-impl versions of interesting Rubinius core classes |
| 21 | 2,762 | 8,619 | rubinius-actor | Rubinius's Actor implementation |
| 22 | 4,290 | 6,749 | jdbc-derby | Install this gem `require 'jdbc/derby'` and invoke `Jdbc::Derby.load_driver` within JRu... |
| 23 | 4,672 | 19,230 | activerecord-jdbch2-adapter | H2 JDBC adapter for JRuby on Rails. |
| 24 | 4,833 | 33,692 | activerecord-jdbchsqldb-adapter | HSQLDB JDBC adapter for JRuby on Rails. |
| 25 | 4,906 | 46,919 | activerecord-jdbcderby-adapter | Derby JDBC adapter for JRuby on Rails. |
| 26 | 5,228 | 5,693 | maven-tools | adds versions conversion from rubygems to maven and vice versa, ruby DSL for POM (Proje... |
| 27 | 7,440 | 26,799 | dbd-jdbc | A JDBC DBD driver for Ruby DBI |
| 28 | 7,911 | 33,692 | pg_jruby | This file needs a translation of the English README. Pull requests, patches, or volunte... |
| 29 | 8,342 | 17,874 | rmagick4j | RMagick4J ========= |
| 30 | 9,625 | 26,799 | ruboto | Ruboto (JRuby on Android) is a platform for developing full stand-alone apps for Androi... |
| 31 | 9,747 | 46,919 | ActiveRecord-JDBC | ActiveRecord-JDBC is a database adapter for Rails' ActiveRecord component that can be u... |
| 32 | 9,871 | 20,891 | jdbc-h2 | Install this gem `require 'jdbc/h2'` and invoke `Jdbc::H2.load_driver` within JRuby to ... |
| 33 | 10,444 | 46,919 | weakling | A modified WeakRef impl for JRuby plus some weakref-related tools |
| 34 | 11,463 | 23,302 | jmx | Access and create MBeans in a friendly Ruby syntax |
| 35 | 12,153 | 46,919 | image_voodoo | Image manipulation in JRuby with ImageScience compatible API |
| 36 | 13,911 | 46,919 | bitescript | BiteScript is a Ruby DSL for generating Java bytecode and classes. |
| 37 | 16,099 | 46,919 | JRuby-OpenSSL | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. |
| 38 | 17,787 | 46,919 | mirah | Mirah is a customizable programming language featuring static types, local type inferen... |
| 39 | 18,717 | 33,692 | ruboto-core | Obsolete package. Use the "ruboto" gem instead. |
| 40 | 21,748 | 33,692 | jruby-readline | readline extension for JRuby |
| 41 | 24,463 | 46,919 | jdbc-hsqldb | Install this gem `require 'jdbc/hsqldb'` and invoke `Jdbc::HSQLDB.load_driver` within J... |
| 42 | 25,564 | 46,919 | jruby-ldap | Port of Ruby/LDAP to JRuby |
| 43 | 27,373 | 7,445 | rake-ant | Ant tasks and integration for Rake |
| 44 | 36,163 | 26,799 | walters | JRuby wrapper for Houdini html escaping library |
| 45 | 38,671 | 46,919 | AntBuilder | AntBuilder: Use ant from JRuby. Only usable within JRuby |
| 46 | 40,927 | 12,187 | jruby-pg | This file needs a translation of the English README. Pull requests, patches, or volunte... |
| 47 | 45,053 | 46,919 | duby | Duby is a customizable programming language featuring static types, local type inferenc... |
| 48 | 53,004 | 46,919 | cloby | Clojure-based transactional semantics for Ruby instance variables |
| 49 | 54,612 | 46,919 | java-inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... |
| 50 | 57,101 | 33,692 | java_inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... |
| 51 | 62,468 | 33,692 | maven_gem | MavenGem is a tool, library, and gem plugin to install any Maven-published Java library... |
| 52 | 66,460 | 46,919 | javasand | Sandbox support for JRuby. Only usable with JRuby |
| 53 | 66,691 | 46,919 | ruby2java | The Ruby2Java compiler inspects the *runtime* definition of classes to produce a normal... |
| 54 | 67,675 | 46,919 | jruby-spymemcached | A JRuby extension wrapping the spymemcached library |
| 55 | 72,211 | 46,919 | forkjoin | A JRuby extension to efficiently wrap the JSR166 Fork/Join framework. |
| 56 | 72,656 | 33,692 | markdown_meta | Meta-gem for markdown parsing |
| 57 | 73,584 | 46,919 | jo | An implementation of goroutines and channels for Ruby |
| 58 | 73,661 | 46,919 | mirah_model | Mirah Model is a ORM library for App Engine's datastore. It is inspired by ActiveRecord... |
| 59 | 75,329 | 46,919 | boing | A command running that's aware of the Drip prebooter for JRuby. |
| 60 | 86,036 | 46,919 | mongrel_jcluster | Mongrel plugin that provides commands for managing multiple Mongrel processes in a JVM. |
| 61 | 89,087 | 46,919 | dashing-jruby | This framework lets you build & easily layout dashboards with your own custom widge... |
| 62 | 97,771 | 46,919 | stemmer4jr | Stemmer4Jr |
| 63 | 99,093 | 46,919 | jsr166y | A gem wrapping the jsr166y.jar file for Java 7's java.util.concurrent features |
| 64 | 103,210 | 33,692 | jruby_gc_stats | A set of GC-monitoring methods for JRuby similar to those in Ruby Enterprise Edition |
| 65 | 113,364 | 46,919 | lazy_enumerator | A pure-Ruby implementation of Ruby 2.0's Enumerator::Lazy |
| 66 | 115,044 | 33,692 | rubytidy | A tool to mimic "perltidy" for tidying up Ruby source |
| 67 | 130,209 | 46,919 | jruby-startup | A set of utilities to improve the startup time of JRuby's command line |
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