| 1 | 9 | 2 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 40 | 18 | rexml | An XML toolkit for Ruby |
| 3 | 91 | 6 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 4 | 92 | 89 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 5 | 109 | 104 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 6 | 120 | 7 | logger | Provides a simple logging utility for outputting messages. |
| 7 | 137 | 78 | net-imap | Ruby client api for Internet Message Access Protocol |
| 8 | 177 | 70 | date | The official date library for Ruby. |
| 9 | 180 | 71 | net-protocol | The abstract interface for net-* client. |
| 10 | 205 | 53 | drb | Distributed object system for Ruby |
| 11 | 224 | 82 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 235 | 60 | securerandom | Interface for secure random number generator. |
| 13 | 272 | 122 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 14 | 280 | 74 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 15 | 281 | 147 | stringio | Pseudo `IO` class from/to `String`. |
| 16 | 286 | 81 | net-http | HTTP client api for Ruby. |
| 17 | 308 | 180 | matrix | An implementation of Matrix and Vector classes. |
| 18 | 342 | 83 | ostruct | Class to build custom data structures, similar to a Hash. |
| 19 | 380 | 90 | pp | Provides a PrettyPrinter for Ruby objects |
| 20 | 437 | 189 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 21 | 452 | 282 | optparse | OptionParser is a class for command-line option analysis. It is much more
advanced, ye... |
| 22 | 462 | 101 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 23 | 469 | 79 | erb | An easy to use but powerful templating system for Ruby. |
| 24 | 481 | 198 | nkf | Ruby extension for Network Kanji Filter |
| 25 | 506 | 246 | strscan | Provides lexical scanning operations on a String. |
| 26 | 559 | 259 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 27 | 771 | 102 | tsort | Topological sorting using Tarjan's algorithm |
| 28 | 802 | 1,680 | json_pure | This is a JSON implementation in pure Ruby. |
| 29 | 829 | 762 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 30 | 833 | 778 | sync | A module that provides a two-phase lock with a counter. |
| 31 | 1,001 | 934 | set | Provides a class to deal with collections of unordered, unique values |
| 32 | 1,021 | 948 | e2mmap | Module for defining custom exceptions with specific messages. |
| 33 | 1,526 | 1,199 | thwait | Watches for termination of multiple threads. |
| 34 | 1,542 | 363 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 35 | 1,548 | 1,251 | digest | Provides a framework for message digest libraries. |
| 36 | 1,558 | 880 | net-ftp | Support for the File Transfer Protocol. |
| 37 | 1,580 | 594 | zlib | Ruby interface for the zlib compression/decompression library |
| 38 | 1,659 | 602 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 1,671 | 1,011 | forwardable | Provides delegation of specified methods to a designated object. |
| 40 | 1,699 | 681 | fiddle | A libffi wrapper for Ruby. |
| 41 | 1,747 | 1,377 | rss | Family of libraries that support various formats of XML "feeds". |
| 42 | 1,805 | 1,039 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 43 | 1,836 | 1,918 | strptime | a fast strptime/strftime engine which uses VM. |
| 44 | 1,916 | 2,323 | iconv | iconv wrapper library |
| 45 | 2,131 | 829 | syslog | Ruby interface for the POSIX system logging facility. |
| 46 | 2,232 | 1,126 | resolv | Thread-aware DNS resolver library in Ruby. |
| 47 | 2,322 | 1,360 | resolv-replace | Replace Socket DNS with Resolv. |
| 48 | 2,363 | 1,681 | scanf | scanf is an implementation of the C function scanf(3). |
| 49 | 2,420 | 1,592 | io-wait | Waits until IO is readable or writable without blocking. |
| 50 | 2,643 | 4,036 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 51 | 3,043 | 2,077 | rinda | The Linda distributed computing paradigm in Ruby. |
| 52 | 3,090 | 2,816 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 53 | 3,105 | 1,957 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 54 | 3,206 | 2,209 | tempfile | A utility class for managing temporary files. |
| 55 | 3,723 | 2,208 | win32ole | Provides an interface for OLE Automation in Ruby |
| 56 | 3,786 | 3,119 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 57 | 3,817 | 5,917 | td-client | Treasure Data API library for Ruby |
| 58 | 4,057 | 2,650 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,187 | 9,381 | td-logger | Treasure Data logging library |
| 60 | 5,249 | 3,284 | pathname | Representation of the name of a file or directory on the filesystem |
| 61 | 5,279 | 6,898 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 62 | 5,461 | 6,404 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 63 | 6,183 | 5,960 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 64 | 6,450 | 4,296 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 65 | 6,776 | 5,523 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 66 | 6,847 | 8,495 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 67 | 7,250 | 4,387 | weakref | Allows a referenced object to be garbage-collected. |
| 68 | 7,264 | 4,511 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 7,689 | 4,737 | un | Utilities to replace common UNIX commands |
| 70 | 8,328 | 7,390 | io-nonblock | Enables non-blocking mode with IO class |
| 71 | 9,447 | 15,380 | gdbm | Ruby extension for GNU dbm. |
| 72 | 10,474 | 16,322 | perfectqueue | Highly available distributed cron built on RDBMS |
| 73 | 10,486 | 7,126 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 74 | 13,688 | 21,128 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 75 | 15,686 | 24,745 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 76 | 17,965 | 30,022 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 38,171 | 6,867 | lrama | LALR (1) parser generator written by Ruby |
| 78 | 67,670 | 36,893 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 153,542 | 58,818 | gohttp | an http library with go. |
| 80 | 165,167 | 58,818 | laplace | fast method tracing |
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