| 1 | 17 | 14 | json | A JSON implementation as a JRuby extension. |
| 2 | 76 | 21 | rexml | An XML toolkit for Ruby |
| 3 | 106 | 95 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 144 | 53 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 332 | 83 | net-imap | Ruby client api for Internet Message Access Protocol |
| 6 | 400 | 134 | net-protocol | The abstract interface for net-* client. |
| 7 | 642 | 144 | date | A subclass of Object includes Comparable module for handling dates. |
| 8 | 657 | 1,343 | json_pure | This is a JSON implementation in pure Ruby. |
| 9 | 683 | 215 | matrix | An implementation of Matrix and Vector classes. |
| 10 | 881 | 665 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 11 | 889 | 262 | optparse | OptionParser is a class for command-line option analysis. |
| 12 | 892 | 216 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 13 | 902 | 454 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 14 | 927 | 61 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 15 | 973 | 469 | sync | A module that provides a two-phase lock with a counter. |
| 16 | 987 | 567 | e2mmap | Module for defining custom exceptions with specific messages. |
| 17 | 1,076 | 293 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 18 | 1,107 | 1,102 | set | Provides a class to deal with collections of unordered, unique values |
| 19 | 1,332 | 329 | stringio | Pseudo `IO` class from/to `String`. |
| 20 | 1,357 | 1,384 | thwait | Watches for termination of multiple threads. |
| 21 | 1,519 | 1,496 | strscan | Provides lexical scanning operations on a String. |
| 22 | 1,538 | 1,985 | strptime | a fast strptime/strftime engine which uses VM. |
| 23 | 1,543 | 1,601 | digest | Provides a framework for message digest libraries. |
| 24 | 1,546 | 185 | drb | Distributed object system for Ruby |
| 25 | 1,553 | 680 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 26 | 1,621 | 217 | net-http | HTTP client api for Ruby. |
| 27 | 1,640 | 1,953 | iconv | iconv wrapper library |
| 28 | 1,646 | 1,859 | logger | Provides a simple logging utility for outputting messages. |
| 29 | 1,661 | 256 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 30 | 1,797 | 2,127 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 31 | 1,932 | 1,108 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 32 | 1,956 | 1,354 | net-ftp | Support for the File Transfer Protocol. |
| 33 | 1,989 | 1,589 | rss | Family of libraries that support various formats of XML "feeds". |
| 34 | 2,223 | 3,150 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 35 | 2,388 | 1,077 | forwardable | Provides delegation of specified methods to a designated object. |
| 36 | 2,581 | 2,012 | zlib | Ruby interface for the zlib compression/decompression library |
| 37 | 2,608 | 4,348 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 38 | 2,649 | 1,518 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 2,684 | 2,621 | io-wait | Waits until IO is readable or writable without blocking. |
| 40 | 2,770 | 297 | nkf | Ruby extension for Network Kanji Filter |
| 41 | 2,809 | 1,853 | scanf | scanf is an implementation of the C function scanf(3). |
| 42 | 3,127 | 1,922 | securerandom | Interface for secure random number generator. |
| 43 | 3,173 | 2,289 | resolv | Thread-aware DNS resolver library in Ruby. |
| 44 | 3,259 | 5,954 | td-client | Treasure Data API library for Ruby |
| 45 | 3,339 | 1,639 | erb | An easy to use but powerful templating system for Ruby. |
| 46 | 3,544 | 2,560 | fiddle | A libffi wrapper for Ruby. |
| 47 | 3,798 | 3,730 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 48 | 4,077 | 2,486 | ostruct | Class to build custom data structures, similar to a Hash. |
| 49 | 4,180 | 2,364 | tempfile | A utility class for managing temporary files. |
| 50 | 4,267 | 2,640 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 51 | 4,515 | 10,536 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 52 | 4,591 | 7,513 | td-logger | Treasure Data logging library |
| 53 | 4,642 | 1,635 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 54 | 4,935 | 1,906 | resolv-replace | Replace Socket DNS with Resolv. |
| 55 | 4,942 | 3,636 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 56 | 5,829 | 3,223 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 57 | 5,894 | 1,957 | rinda | The Linda distributed computing paradigm in Ruby. |
| 58 | 5,967 | 1,947 | syslog | Ruby interface for the POSIX system logging facility. |
| 59 | 6,108 | 5,954 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 60 | 6,244 | 4,233 | tsort | Topological sorting using Tarjan's algorithm |
| 61 | 6,515 | 4,420 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 62 | 6,622 | 4,371 | pathname | Representation of the name of a file or directory on the filesystem |
| 63 | 6,854 | 4,931 | pp | Provides a PrettyPrinter for Ruby objects |
| 64 | 7,537 | 4,891 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 65 | 7,884 | 7,914 | gdbm | Ruby extension for GNU dbm. |
| 66 | 8,540 | 5,379 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 67 | 8,924 | 69,238 | perfectqueue | Highly available distributed cron built on RDBMS |
| 68 | 9,028 | 5,403 | un | Utilities to replace common UNIX commands |
| 69 | 9,089 | 5,345 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 70 | 9,998 | 5,242 | find | This module supports top-down traversal of a set of file paths. |
| 71 | 10,422 | 5,410 | weakref | Allows a referenced object to be garbage-collected. |
| 72 | 11,269 | 43,643 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 73 | 11,672 | 5,546 | io-nonblock | Enables non-blocking mode with IO class |
| 74 | 14,084 | 69,238 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 75 | 15,356 | 6,918 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 76 | 16,163 | 69,238 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 31,006 | 10,014 | win32ole | Provides an interface for OLE Automation in Ruby |
| 78 | 74,395 | 69,238 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 92,046 | 43,643 | lrama | LALR (1) parser generator written by Ruby |
| 80 | 154,974 | 69,238 | gohttp | an http library with go. |
| 81 | 162,307 | 69,238 | laplace | fast method tracing |
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