| 1 | 18 | 18 | json | A JSON implementation as a JRuby extension. |
| 2 | 105 | 34 | rexml | An XML toolkit for Ruby |
| 3 | 106 | 82 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 207 | 60 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 567 | 1,496 | json_pure | This is a JSON implementation in pure Ruby. |
| 6 | 940 | 139 | net-protocol | The abstract interface for net-* client. |
| 7 | 1,004 | 1,069 | openssl | It wraps the OpenSSL library. |
| 8 | 1,045 | 147 | net-imap | Ruby client api for Internet Message Access Protocol |
| 9 | 1,046 | 298 | matrix | An implementation of Matrix and Vector classes. |
| 10 | 1,092 | 479 | sync | A module that provides a two-phase lock with a counter. |
| 11 | 1,151 | 629 | e2mmap | Module for defining custom exceptions with specific messages. |
| 12 | 1,205 | 436 | optparse | OptionParser is a class for command-line option analysis. |
| 13 | 1,248 | 1,077 | set | Provides a class to deal with collections of unordered, unique values |
| 14 | 1,416 | 803 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 15 | 1,437 | 1,248 | thwait | Watches for termination of multiple threads. |
| 16 | 1,490 | 1,720 | strptime | a fast strptime/strftime engine which uses VM. |
| 17 | 1,537 | 1,325 | strscan | Provides lexical scanning operations on a String. |
| 18 | 1,544 | 1,945 | logger | Provides a simple logging utility for outputting messages. |
| 19 | 1,546 | 1,820 | iconv | iconv wrapper library |
| 20 | 1,589 | 1,287 | digest | Provides a framework for message digest libraries. |
| 21 | 1,608 | 969 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 22 | 1,613 | 195 | date | A subclass of Object includes Comparable module for handling dates. |
| 23 | 1,631 | 1,590 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 24 | 1,789 | 1,873 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 25 | 2,002 | 3,442 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 26 | 2,205 | 1,423 | stringio | Pseudo `IO` class from/to `String`. |
| 27 | 2,269 | 1,680 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 28 | 2,439 | 1,531 | rss | Family of libraries that support various formats of XML "feeds". |
| 29 | 2,453 | 2,520 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 30 | 2,618 | 1,388 | net-ftp | Support for the File Transfer Protocol. |
| 31 | 2,797 | 1,906 | io-wait | Waits until IO is readable or writable without blocking. |
| 32 | 3,005 | 3,235 | td-client | Treasure Data API library for Ruby |
| 33 | 3,057 | 1,860 | zlib | Ruby interface for the zlib compression/decompression library |
| 34 | 3,236 | 1,967 | scanf | scanf is an implementation of the C function scanf(3). |
| 35 | 3,460 | 2,435 | resolv | Thread-aware DNS resolver library in Ruby. |
| 36 | 3,481 | 1,579 | forwardable | Provides delegation of specified methods to a designated object. |
| 37 | 3,573 | 1,893 | time | Extends the Time class with methods for parsing and conversion. |
| 38 | 3,697 | 3,543 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 39 | 3,832 | 1,818 | net-http | HTTP client api for Ruby. |
| 40 | 3,963 | 2,319 | fiddle | A libffi wrapper for Ruby. |
| 41 | 4,223 | 3,661 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 42 | 4,228 | 2,265 | securerandom | Interface for secure random number generator. |
| 43 | 4,344 | 3,622 | td-logger | Treasure Data logging library |
| 44 | 4,646 | 3,621 | ostruct | Class to build custom data structures, similar to a Hash. |
| 45 | 4,979 | 3,179 | erb | An easy to use but powerful templating system for Ruby. |
| 46 | 5,037 | 3,034 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 47 | 5,407 | 4,014 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 48 | 5,531 | 4,331 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 49 | 6,134 | 3,758 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 50 | 6,594 | 2,753 | tempfile | A utility class for managing temporary files. |
| 51 | 6,715 | 4,700 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 52 | 7,324 | 4,465 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 53 | 7,438 | 7,030 | gdbm | Ruby extension for GNU dbm. |
| 54 | 7,619 | 5,189 | pp | Provides a PrettyPrinter for Ruby objects |
| 55 | 7,664 | 4,832 | tsort | Topological sorting using Tarjan's algorithm |
| 56 | 7,729 | 5,313 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 57 | 8,242 | 4,726 | pathname | Representation of the name of a file or directory on the filesystem |
| 58 | 8,304 | 22,818 | perfectqueue | Highly available distributed cron built on RDBMS |
| 59 | 8,645 | 6,355 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 60 | 9,411 | 3,945 | resolv-replace | Replace Socket DNS with Resolv. |
| 61 | 10,046 | 5,515 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 62 | 10,411 | 8,896 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 63 | 11,431 | 5,740 | un | Utilities to replace common UNIX commands |
| 64 | 11,598 | 5,567 | nkf | Ruby extension for Network Kanji Filter |
| 65 | 11,818 | 5,664 | drb | Distributed object system for Ruby |
| 66 | 12,209 | 5,463 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 67 | 13,176 | 12,092 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 68 | 13,422 | 7,590 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 15,211 | 28,152 | perfectsched | Highly available distributed cron built on RDBMS |
| 70 | 17,524 | 5,547 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 71 | 17,716 | 5,715 | weakref | Allows a referenced object to be garbage-collected. |
| 72 | 18,811 | 9,396 | rinda | The Linda distributed computing paradigm in Ruby. |
| 73 | 23,314 | 5,799 | io-nonblock | Enables non-blocking mode with IO class |
| 74 | 24,088 | 7,061 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 75 | 25,313 | 5,962 | syslog | Ruby interface for the POSIX system logging facility. |
| 76 | 75,501 | 41,232 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 77 | 100,303 | 13,195 | win32ole | Provides an interface for OLE Automation in Ruby |
| 78 | 153,262 | 41,232 | gohttp | an http library with go. |
| 79 | 160,924 | 41,232 | laplace | fast method tracing |
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