| 1 | 12 | 3 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 41 | 26 | rexml | An XML toolkit for Ruby |
| 3 | 94 | 96 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 109 | 5 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 5 | 110 | 81 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 6 | 145 | 6 | logger | Provides a simple logging utility for outputting messages. |
| 7 | 147 | 41 | net-imap | Ruby client api for Internet Message Access Protocol |
| 8 | 194 | 91 | net-protocol | The abstract interface for net-* client. |
| 9 | 198 | 53 | date | The official date library for Ruby. |
| 10 | 222 | 44 | drb | Distributed object system for Ruby |
| 11 | 249 | 57 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 277 | 59 | securerandom | Interface for secure random number generator. |
| 13 | 293 | 101 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 14 | 302 | 105 | stringio | Pseudo `IO` class from/to `String`. |
| 15 | 317 | 170 | matrix | An implementation of Matrix and Vector classes. |
| 16 | 319 | 90 | net-http | HTTP client api for Ruby. |
| 17 | 320 | 64 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 18 | 434 | 79 | ostruct | Class to build custom data structures, similar to a Hash. |
| 19 | 475 | 250 | optparse | OptionParser is a class for command-line option analysis. It is much more
advanced, ye... |
| 20 | 476 | 185 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 21 | 494 | 115 | pp | Provides a PrettyPrinter for Ruby objects |
| 22 | 529 | 304 | strscan | Provides lexical scanning operations on a String. |
| 23 | 531 | 225 | nkf | Ruby extension for Network Kanji Filter |
| 24 | 612 | 129 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 25 | 679 | 265 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 26 | 696 | 118 | erb | An easy to use but powerful templating system for Ruby. |
| 27 | 786 | 1,917 | json_pure | This is a JSON implementation in pure Ruby. |
| 28 | 820 | 773 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 29 | 835 | 670 | sync | A module that provides a two-phase lock with a counter. |
| 30 | 1,008 | 924 | set | Provides a class to deal with collections of unordered, unique values |
| 31 | 1,014 | 1,283 | e2mmap | Module for defining custom exceptions with specific messages. |
| 32 | 1,078 | 125 | tsort | Topological sorting using Tarjan's algorithm |
| 33 | 1,525 | 1,623 | thwait | Watches for termination of multiple threads. |
| 34 | 1,543 | 1,531 | digest | Provides a framework for message digest libraries. |
| 35 | 1,565 | 615 | net-ftp | Support for the File Transfer Protocol. |
| 36 | 1,685 | 567 | zlib | Ruby interface for the zlib compression/decompression library |
| 37 | 1,699 | 1,214 | forwardable | Provides delegation of specified methods to a designated object. |
| 38 | 1,759 | 691 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 1,763 | 303 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 40 | 1,780 | 563 | rss | Family of libraries that support various formats of XML "feeds". |
| 41 | 1,809 | 438 | fiddle | A libffi wrapper for Ruby. |
| 42 | 1,811 | 2,348 | strptime | a fast strptime/strftime engine which uses VM. |
| 43 | 1,813 | 1,489 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 44 | 1,904 | 2,134 | iconv | iconv wrapper library |
| 45 | 2,247 | 492 | syslog | Ruby interface for the POSIX system logging facility. |
| 46 | 2,310 | 1,491 | resolv | Thread-aware DNS resolver library in Ruby. |
| 47 | 2,432 | 1,750 | scanf | scanf is an implementation of the C function scanf(3). |
| 48 | 2,438 | 2,339 | io-wait | Waits until IO is readable or writable without blocking. |
| 49 | 2,456 | 652 | resolv-replace | Replace Socket DNS with Resolv. |
| 50 | 2,599 | 3,840 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 51 | 3,041 | 5,698 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 52 | 3,057 | 906 | rinda | The Linda distributed computing paradigm in Ruby. |
| 53 | 3,184 | 2,220 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 54 | 3,262 | 2,314 | tempfile | A utility class for managing temporary files. |
| 55 | 3,748 | 8,816 | td-client | Treasure Data API library for Ruby |
| 56 | 3,799 | 3,012 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 57 | 4,036 | 761 | win32ole | Provides an interface for OLE Automation in Ruby |
| 58 | 4,167 | 2,842 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,111 | 11,928 | td-logger | Treasure Data logging library |
| 60 | 5,192 | 8,753 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 61 | 5,351 | 4,887 | pathname | Representation of the name of a file or directory on the filesystem |
| 62 | 5,387 | 6,037 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 63 | 6,026 | 6,318 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 64 | 6,596 | 4,976 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 65 | 6,644 | 6,764 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 66 | 6,695 | 6,528 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 67 | 7,323 | 6,564 | weakref | Allows a referenced object to be garbage-collected. |
| 68 | 7,343 | 5,160 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 7,694 | 8,567 | un | Utilities to replace common UNIX commands |
| 70 | 8,265 | 6,971 | io-nonblock | Enables non-blocking mode with IO class |
| 71 | 9,253 | 9,418 | gdbm | Ruby extension for GNU dbm. |
| 72 | 10,326 | 22,652 | perfectqueue | Highly available distributed cron built on RDBMS |
| 73 | 10,731 | 9,505 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 74 | 13,412 | 20,515 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 75 | 15,528 | 17,065 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 76 | 17,748 | 16,722 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 49,048 | 11,639 | lrama | LALR (1) parser generator written by Ruby |
| 78 | 68,059 | 34,862 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 153,828 | 94,007 | gohttp | an http library with go. |
| 80 | 163,827 | 94,007 | laplace | fast method tracing |
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