| 1 | 17 | 16 | json | A JSON implementation as a JRuby extension. |
| 2 | 76 | 19 | rexml | An XML toolkit for Ruby |
| 3 | 106 | 92 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 142 | 57 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 328 | 66 | net-imap | Ruby client api for Internet Message Access Protocol |
| 6 | 400 | 123 | net-protocol | The abstract interface for net-* client. |
| 7 | 627 | 136 | date | A subclass of Object includes Comparable module for handling dates. |
| 8 | 657 | 1,300 | json_pure | This is a JSON implementation in pure Ruby. |
| 9 | 679 | 187 | matrix | An implementation of Matrix and Vector classes. |
| 10 | 882 | 705 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 11 | 887 | 267 | optparse | OptionParser is a class for command-line option analysis. |
| 12 | 888 | 207 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 13 | 903 | 476 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 14 | 904 | 65 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 15 | 971 | 495 | sync | A module that provides a two-phase lock with a counter. |
| 16 | 987 | 624 | e2mmap | Module for defining custom exceptions with specific messages. |
| 17 | 1,069 | 227 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 18 | 1,107 | 942 | set | Provides a class to deal with collections of unordered, unique values |
| 19 | 1,319 | 313 | stringio | Pseudo `IO` class from/to `String`. |
| 20 | 1,357 | 1,399 | thwait | Watches for termination of multiple threads. |
| 21 | 1,519 | 1,486 | strscan | Provides lexical scanning operations on a String. |
| 22 | 1,520 | 173 | drb | Distributed object system for Ruby |
| 23 | 1,539 | 1,945 | strptime | a fast strptime/strftime engine which uses VM. |
| 24 | 1,545 | 1,605 | digest | Provides a framework for message digest libraries. |
| 25 | 1,548 | 632 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 26 | 1,602 | 235 | net-http | HTTP client api for Ruby. |
| 27 | 1,639 | 238 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 28 | 1,640 | 1,981 | iconv | iconv wrapper library |
| 29 | 1,648 | 1,879 | logger | Provides a simple logging utility for outputting messages. |
| 30 | 1,796 | 2,048 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 31 | 1,925 | 1,199 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 32 | 1,943 | 592 | net-ftp | Support for the File Transfer Protocol. |
| 33 | 1,982 | 653 | rss | Family of libraries that support various formats of XML "feeds". |
| 34 | 2,226 | 2,789 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 35 | 2,369 | 1,185 | forwardable | Provides delegation of specified methods to a designated object. |
| 36 | 2,579 | 1,962 | zlib | Ruby interface for the zlib compression/decompression library |
| 37 | 2,610 | 4,558 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 38 | 2,634 | 1,520 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 2,649 | 291 | nkf | Ruby extension for Network Kanji Filter |
| 40 | 2,689 | 2,453 | io-wait | Waits until IO is readable or writable without blocking. |
| 41 | 2,806 | 1,956 | scanf | scanf is an implementation of the C function scanf(3). |
| 42 | 3,117 | 1,913 | securerandom | Interface for secure random number generator. |
| 43 | 3,173 | 2,026 | resolv | Thread-aware DNS resolver library in Ruby. |
| 44 | 3,262 | 5,455 | td-client | Treasure Data API library for Ruby |
| 45 | 3,314 | 1,691 | erb | An easy to use but powerful templating system for Ruby. |
| 46 | 3,525 | 1,701 | fiddle | A libffi wrapper for Ruby. |
| 47 | 3,800 | 4,171 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 48 | 4,064 | 2,579 | ostruct | Class to build custom data structures, similar to a Hash. |
| 49 | 4,164 | 2,323 | tempfile | A utility class for managing temporary files. |
| 50 | 4,262 | 2,705 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 51 | 4,523 | 9,400 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 52 | 4,560 | 1,514 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 53 | 4,600 | 6,455 | td-logger | Treasure Data logging library |
| 54 | 4,870 | 1,636 | resolv-replace | Replace Socket DNS with Resolv. |
| 55 | 4,936 | 3,596 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 56 | 5,788 | 1,811 | rinda | The Linda distributed computing paradigm in Ruby. |
| 57 | 5,809 | 3,348 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 58 | 5,841 | 1,814 | syslog | Ruby interface for the POSIX system logging facility. |
| 59 | 6,121 | 7,501 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 60 | 6,234 | 4,593 | tsort | Topological sorting using Tarjan's algorithm |
| 61 | 6,506 | 4,786 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 62 | 6,608 | 4,633 | pathname | Representation of the name of a file or directory on the filesystem |
| 63 | 6,851 | 5,214 | pp | Provides a PrettyPrinter for Ruby objects |
| 64 | 7,513 | 4,846 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 65 | 7,892 | 8,262 | gdbm | Ruby extension for GNU dbm. |
| 66 | 8,534 | 6,162 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 67 | 8,974 | 85,863 | perfectqueue | Highly available distributed cron built on RDBMS |
| 68 | 9,007 | 5,548 | un | Utilities to replace common UNIX commands |
| 69 | 9,065 | 5,598 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 70 | 9,961 | 5,353 | find | This module supports top-down traversal of a set of file paths. |
| 71 | 10,372 | 5,542 | weakref | Allows a referenced object to be garbage-collected. |
| 72 | 11,278 | 60,164 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 73 | 11,602 | 5,823 | io-nonblock | Enables non-blocking mode with IO class |
| 74 | 14,094 | 85,863 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 75 | 15,275 | 6,575 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 76 | 16,169 | 85,863 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 30,656 | 10,000 | win32ole | Provides an interface for OLE Automation in Ruby |
| 78 | 74,332 | 85,863 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 91,304 | 27,806 | lrama | LALR (1) parser generator written by Ruby |
| 80 | 154,964 | 85,863 | gohttp | an http library with go. |
| 81 | 162,290 | 85,863 | laplace | fast method tracing |
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