| 1 | 9 | 2 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 40 | 36 | rexml | An XML toolkit for Ruby |
| 3 | 94 | 105 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 98 | 6 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 5 | 109 | 55 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 6 | 130 | 5 | logger | Provides a simple logging utility for outputting messages. |
| 7 | 141 | 52 | net-imap | Ruby client api for Internet Message Access Protocol |
| 8 | 185 | 63 | date | The official date library for Ruby. |
| 9 | 189 | 93 | net-protocol | The abstract interface for net-* client. |
| 10 | 210 | 56 | drb | Distributed object system for Ruby |
| 11 | 233 | 85 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 247 | 60 | securerandom | Interface for secure random number generator. |
| 13 | 279 | 124 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 14 | 285 | 141 | stringio | Pseudo `IO` class from/to `String`. |
| 15 | 294 | 86 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 16 | 297 | 69 | net-http | HTTP client api for Ruby. |
| 17 | 312 | 176 | matrix | An implementation of Matrix and Vector classes. |
| 18 | 365 | 98 | ostruct | Class to build custom data structures, similar to a Hash. |
| 19 | 426 | 90 | pp | Provides a PrettyPrinter for Ruby objects |
| 20 | 455 | 157 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 21 | 459 | 340 | optparse | OptionParser is a class for command-line option analysis. It is much more
advanced, ye... |
| 22 | 500 | 225 | nkf | Ruby extension for Network Kanji Filter |
| 23 | 504 | 107 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 24 | 511 | 255 | strscan | Provides lexical scanning operations on a String. |
| 25 | 523 | 84 | erb | An easy to use but powerful templating system for Ruby. |
| 26 | 600 | 296 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 27 | 797 | 1,836 | json_pure | This is a JSON implementation in pure Ruby. |
| 28 | 827 | 498 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 29 | 833 | 680 | sync | A module that provides a two-phase lock with a counter. |
| 30 | 870 | 100 | tsort | Topological sorting using Tarjan's algorithm |
| 31 | 1,001 | 1,300 | set | Provides a class to deal with collections of unordered, unique values |
| 32 | 1,017 | 1,057 | e2mmap | Module for defining custom exceptions with specific messages. |
| 33 | 1,525 | 1,436 | thwait | Watches for termination of multiple threads. |
| 34 | 1,549 | 1,177 | digest | Provides a framework for message digest libraries. |
| 35 | 1,563 | 1,235 | net-ftp | Support for the File Transfer Protocol. |
| 36 | 1,605 | 462 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 37 | 1,612 | 744 | zlib | Ruby interface for the zlib compression/decompression library |
| 38 | 1,682 | 944 | forwardable | Provides delegation of specified methods to a designated object. |
| 39 | 1,696 | 806 | time | Extends the Time class with methods for parsing and conversion. |
| 40 | 1,732 | 676 | fiddle | A libffi wrapper for Ruby. |
| 41 | 1,748 | 516 | rss | Family of libraries that support various formats of XML "feeds". |
| 42 | 1,812 | 1,612 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 43 | 1,825 | 1,641 | strptime | a fast strptime/strftime engine which uses VM. |
| 44 | 1,914 | 2,069 | iconv | iconv wrapper library |
| 45 | 2,169 | 651 | syslog | Ruby interface for the POSIX system logging facility. |
| 46 | 2,261 | 1,627 | resolv | Thread-aware DNS resolver library in Ruby. |
| 47 | 2,355 | 767 | resolv-replace | Replace Socket DNS with Resolv. |
| 48 | 2,393 | 1,440 | scanf | scanf is an implementation of the C function scanf(3). |
| 49 | 2,433 | 1,608 | io-wait | Waits until IO is readable or writable without blocking. |
| 50 | 2,622 | 4,196 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 51 | 3,043 | 2,161 | rinda | The Linda distributed computing paradigm in Ruby. |
| 52 | 3,066 | 4,410 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 53 | 3,137 | 2,073 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 54 | 3,226 | 3,144 | tempfile | A utility class for managing temporary files. |
| 55 | 3,776 | 1,078 | win32ole | Provides an interface for OLE Automation in Ruby |
| 56 | 3,788 | 2,903 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 57 | 3,789 | 4,757 | td-client | Treasure Data API library for Ruby |
| 58 | 4,109 | 2,860 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,161 | 6,299 | td-logger | Treasure Data logging library |
| 60 | 5,256 | 4,558 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 61 | 5,297 | 5,288 | pathname | Representation of the name of a file or directory on the filesystem |
| 62 | 5,431 | 5,626 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 63 | 6,060 | 6,935 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 64 | 6,604 | 1,805 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 65 | 6,804 | 7,601 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 66 | 6,826 | 11,185 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 67 | 7,348 | 6,034 | weakref | Allows a referenced object to be garbage-collected. |
| 68 | 7,352 | 5,458 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 7,742 | 7,575 | un | Utilities to replace common UNIX commands |
| 70 | 8,361 | 8,655 | io-nonblock | Enables non-blocking mode with IO class |
| 71 | 9,376 | 16,016 | gdbm | Ruby extension for GNU dbm. |
| 72 | 10,416 | 7,433 | perfectqueue | Highly available distributed cron built on RDBMS |
| 73 | 10,759 | 7,728 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 74 | 13,581 | 26,848 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 75 | 15,637 | 20,447 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 76 | 17,866 | 14,953 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 43,879 | 9,441 | lrama | LALR (1) parser generator written by Ruby |
| 78 | 67,625 | 31,379 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 153,418 | 84,476 | gohttp | an http library with go. |
| 80 | 164,518 | 84,476 | laplace | fast method tracing |
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