| # | Total Rank | Daily Rank | Name | Summary |
|---|---|---|---|---|
| 1 | 14 | 24 | json | A JSON implementation as a JRuby extension. |
| 2 | 22 | 23 | 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 | 234 | 898 | json_pure | This is a JSON implementation in pure Ruby. |
| 5 | 799 | 987 | atomic | An atomic reference implementation for JRuby, Rubinius, and MRI |
| 6 | 877 | 888 | spoon | Spoon is an FFI binding of the posix_spawn function (and Windows equivalent), providing... |
| 7 | 896 | 938 | psych | Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/Lib... |
| 8 | 996 | 837 | jruby-openssl | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. |
| 9 | 1,550 | 2,897 | jruby-launcher | Builds and installs a native launcher for JRuby on your system |
| 10 | 1,707 | 3,180 | activerecord-jdbc-adapter | AR-JDBC is a database adapter for Rails' ActiveRecord component designed to be used wit... |
| 11 | 2,018 | 3,943 | jdbc-mysql | Install this gem `require 'jdbc/mysql'` and invoke `Jdbc::MySQL.load_driver` within JRu... |
| 12 | 2,044 | 939 | jar-dependencies | manage jar dependencies for gems and keep track which jar was already loaded using mave... |
| 13 | 2,234 | 3,506 | ruby-maven | maven support for ruby DSL pom files. MRI needs java/javac installed. |
| 14 | 2,332 | 22,276 | bouncy-castle-java | Gem redistribution of "Legion of the Bouncy Castle Java cryptography APIs" jars at http... |
| 15 | 2,465 | 3,344 | jruby-jars | This gem includes the core JRuby code and the JRuby 1.8/1.9 stdlib as jar files. It pro... |
| 16 | 2,480 | 5,022 | activerecord-jdbcmysql-adapter | MySQL JDBC adapter for JRuby on Rails. |
| 17 | 2,621 | 3,897 | jdbc-sqlite3 | Install this gem `require 'jdbc/sqlite3'` and invoke `Jdbc::SQLite3.load_driver` within... |
| 18 | 2,635 | 4,362 | activerecord-jdbcsqlite3-adapter | Sqlite3 JDBC adapter for JRuby on Rails. |
| 19 | 2,636 | 4,657 | jdbc-postgres | Install this gem `require 'jdbc/postgres'` and invoke `Jdbc::Postgres.load_driver` with... |
| 20 | 2,755 | 5,703 | activerecord-jdbcpostgresql-adapter | Postgres JDBC adapter for JRuby on Rails. |
| 21 | 3,037 | 12,902 | rubinius-core-api | Cross-impl versions of interesting Rubinius core classes |
| 22 | 3,052 | 12,902 | rubinius-actor | Rubinius's Actor implementation |
| 23 | 4,680 | 13,720 | jdbc-derby | Install this gem `require 'jdbc/derby'` and invoke `Jdbc::Derby.load_driver` within JRu... |
| 24 | 5,118 | 13,244 | activerecord-jdbch2-adapter | H2 JDBC adapter for JRuby on Rails. |
| 25 | 5,285 | 56,521 | activerecord-jdbchsqldb-adapter | HSQLDB JDBC adapter for JRuby on Rails. |
| 26 | 5,370 | 32,109 | activerecord-jdbcderby-adapter | Derby JDBC adapter for JRuby on Rails. |
| 27 | 5,475 | 4,793 | maven-tools | adds versions conversion from rubygems to maven and vice versa, ruby DSL for POM (Proje... |
| 28 | 8,178 | 31,230 | dbd-jdbc | A JDBC DBD driver for Ruby DBI |
| 29 | 8,700 | 20,061 | pg_jruby | This file needs a translation of the English README. Pull requests, patches, or volunte... |
| 30 | 9,101 | 42,298 | rmagick4j | RMagick4J ========= |
| 31 | 10,483 | 45,540 | ruboto | Ruboto (JRuby on Android) is a platform for developing full stand-alone apps for Androi... |
| 32 | 10,617 | 19,611 | jdbc-h2 | Install this gem `require 'jdbc/h2'` and invoke `Jdbc::H2.load_driver` within JRuby to ... |
| 33 | 10,674 | 56,521 | ActiveRecord-JDBC | ActiveRecord-JDBC is a database adapter for Rails' ActiveRecord component that can be u... |
| 34 | 11,412 | 56,521 | weakling | A modified WeakRef impl for JRuby plus some weakref-related tools |
| 35 | 12,419 | 45,540 | jmx | Access and create MBeans in a friendly Ruby syntax |
| 36 | 13,068 | 42,298 | image_voodoo | Image manipulation in JRuby with ImageScience compatible API |
| 37 | 15,009 | 42,298 | bitescript | BiteScript is a Ruby DSL for generating Java bytecode and classes. |
| 38 | 17,495 | 56,521 | JRuby-OpenSSL | JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. |
| 39 | 18,946 | 9,453 | mirah | Mirah is a customizable programming language featuring static types, local type inferen... |
| 40 | 19,812 | 17,341 | jruby-pg | This file needs a translation of the English README. Pull requests, patches, or volunte... |
| 41 | 19,983 | 56,521 | ruboto-core | Obsolete package. Use the "ruboto" gem instead. |
| 42 | 21,296 | 16,099 | rake-ant | Ant tasks and integration for Rake |
| 43 | 23,409 | 56,521 | jruby-readline | readline extension for JRuby |
| 44 | 25,790 | 56,521 | jdbc-hsqldb | Install this gem `require 'jdbc/hsqldb'` and invoke `Jdbc::HSQLDB.load_driver` within J... |
| 45 | 27,188 | 45,540 | jruby-ldap | Port of Ruby/LDAP to JRuby |
| 46 | 37,801 | 56,521 | walters | JRuby wrapper for Houdini html escaping library |
| 47 | 40,277 | 33,436 | AntBuilder | AntBuilder: Use ant from JRuby. Only usable within JRuby |
| 48 | 46,910 | 56,521 | duby | Duby is a customizable programming language featuring static types, local type inferenc... |
| 49 | 54,906 | 56,521 | cloby | Clojure-based transactional semantics for Ruby instance variables |
| 50 | 56,727 | 56,521 | java-inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... |
| 51 | 59,831 | 56,521 | java_inline | A set of plugins for RubyInline to allow embedding JVM languages into Ruby code running... |
| 52 | 63,904 | 26,884 | maven_gem | MavenGem is a tool, library, and gem plugin to install any Maven-published Java library... |
| 53 | 68,940 | 56,521 | javasand | Sandbox support for JRuby. Only usable with JRuby |
| 54 | 69,318 | 56,521 | ruby2java | The Ruby2Java compiler inspects the *runtime* definition of classes to produce a normal... |
| 55 | 70,406 | 56,521 | jruby-spymemcached | A JRuby extension wrapping the spymemcached library |
| 56 | 73,716 | 26,884 | markdown_meta | Meta-gem for markdown parsing |
| 57 | 74,600 | 45,540 | forkjoin | A JRuby extension to efficiently wrap the JSR166 Fork/Join framework. |
| 58 | 75,637 | 56,521 | jo | An implementation of goroutines and channels for Ruby |
| 59 | 76,293 | 26,884 | mirah_model | Mirah Model is a ORM library for App Engine's datastore. It is inspired by ActiveRecord... |
| 60 | 77,225 | 56,521 | boing | A command running that's aware of the Drip prebooter for JRuby. |
| 61 | 89,164 | 33,436 | mongrel_jcluster | Mongrel plugin that provides commands for managing multiple Mongrel processes in a JVM. |
| 62 | 90,986 | 56,521 | dashing-jruby | This framework lets you build & easily layout dashboards with your own custom widge... |
| 63 | 100,998 | 56,521 | stemmer4jr | Stemmer4Jr |
| 64 | 101,934 | 56,521 | jsr166y | A gem wrapping the jsr166y.jar file for Java 7's java.util.concurrent features |
| 65 | 106,283 | 56,521 | jruby_gc_stats | A set of GC-monitoring methods for JRuby similar to those in Ruby Enterprise Edition |
| 66 | 115,997 | 56,521 | lazy_enumerator | A pure-Ruby implementation of Ruby 2.0's Enumerator::Lazy |
| 67 | 118,347 | 56,521 | rubytidy | A tool to mimic "perltidy" for tidying up Ruby source |
| 68 | 125,191 | 56,521 | jruby-startup | A set of utilities to improve the startup time of JRuby's command line |
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