| 1 | 13 | 5 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 51 | 17 | rexml | An XML toolkit for Ruby |
| 3 | 97 | 126 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 112 | 117 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 158 | 8 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 6 | 179 | 54 | net-imap | Ruby client api for Internet Message Access Protocol |
| 7 | 223 | 116 | net-protocol | The abstract interface for net-* client. |
| 8 | 232 | 19 | logger | Provides a simple logging utility for outputting messages. |
| 9 | 245 | 102 | date | A subclass of Object includes Comparable module for handling dates. |
| 10 | 318 | 50 | drb | Distributed object system for Ruby |
| 11 | 323 | 105 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 346 | 203 | matrix | An implementation of Matrix and Vector classes. |
| 13 | 415 | 77 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 14 | 426 | 111 | stringio | Pseudo `IO` class from/to `String`. |
| 15 | 445 | 130 | net-http | HTTP client api for Ruby. |
| 16 | 450 | 60 | securerandom | Interface for secure random number generator. |
| 17 | 467 | 132 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 18 | 576 | 244 | optparse | OptionParser is a class for command-line option analysis. |
| 19 | 649 | 409 | strscan | Provides lexical scanning operations on a String. |
| 20 | 692 | 239 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 21 | 755 | 623 | json_pure | This is a JSON implementation in pure Ruby. |
| 22 | 764 | 188 | nkf | Ruby extension for Network Kanji Filter |
| 23 | 770 | 490 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 24 | 819 | 1,092 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 25 | 837 | 910 | sync | A module that provides a two-phase lock with a counter. |
| 26 | 845 | 125 | ostruct | Class to build custom data structures, similar to a Hash. |
| 27 | 950 | 142 | pp | Provides a PrettyPrinter for Ruby objects |
| 28 | 1,003 | 1,178 | e2mmap | Module for defining custom exceptions with specific messages. |
| 29 | 1,061 | 646 | set | Provides a class to deal with collections of unordered, unique values |
| 30 | 1,155 | 149 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 31 | 1,437 | 154 | erb | An easy to use but powerful templating system for Ruby. |
| 32 | 1,492 | 1,570 | thwait | Watches for termination of multiple threads. |
| 33 | 1,537 | 1,301 | digest | Provides a framework for message digest libraries. |
| 34 | 1,657 | 883 | net-ftp | Support for the File Transfer Protocol. |
| 35 | 1,713 | 2,419 | strptime | a fast strptime/strftime engine which uses VM. |
| 36 | 1,746 | 1,524 | forwardable | Provides delegation of specified methods to a designated object. |
| 37 | 1,815 | 1,381 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 38 | 1,818 | 1,989 | iconv | iconv wrapper library |
| 39 | 1,828 | 1,329 | rss | Family of libraries that support various formats of XML "feeds". |
| 40 | 1,923 | 710 | zlib | Ruby interface for the zlib compression/decompression library |
| 41 | 1,954 | 932 | time | Extends the Time class with methods for parsing and conversion. |
| 42 | 1,977 | 2,586 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 43 | 2,152 | 753 | fiddle | A libffi wrapper for Ruby. |
| 44 | 2,477 | 761 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 45 | 2,508 | 3,999 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 46 | 2,546 | 1,825 | io-wait | Waits until IO is readable or writable without blocking. |
| 47 | 2,566 | 1,904 | scanf | scanf is an implementation of the C function scanf(3). |
| 48 | 2,571 | 1,795 | resolv | Thread-aware DNS resolver library in Ruby. |
| 49 | 2,808 | 1,435 | resolv-replace | Replace Socket DNS with Resolv. |
| 50 | 2,936 | 5,037 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 51 | 2,947 | 649 | syslog | Ruby interface for the POSIX system logging facility. |
| 52 | 3,268 | 1,587 | rinda | The Linda distributed computing paradigm in Ruby. |
| 53 | 3,424 | 2,097 | tempfile | A utility class for managing temporary files. |
| 54 | 3,451 | 1,895 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 55 | 3,602 | 4,620 | td-client | Treasure Data API library for Ruby |
| 56 | 3,794 | 3,644 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 57 | 4,120 | 2,032 | tsort | Topological sorting using Tarjan's algorithm |
| 58 | 4,447 | 3,261 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 4,961 | 4,995 | td-logger | Treasure Data logging library |
| 60 | 4,988 | 4,987 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 61 | 5,240 | 5,997 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 62 | 5,509 | 4,203 | pathname | Representation of the name of a file or directory on the filesystem |
| 63 | 5,668 | 3,232 | win32ole | Provides an interface for OLE Automation in Ruby |
| 64 | 6,055 | 4,382 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 65 | 6,429 | 10,690 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 66 | 6,772 | 5,057 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 67 | 7,233 | 4,767 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 68 | 7,738 | 7,060 | un | Utilities to replace common UNIX commands |
| 69 | 7,739 | 6,102 | find | This module supports top-down traversal of a set of file paths. |
| 70 | 7,956 | 4,739 | weakref | Allows a referenced object to be garbage-collected. |
| 71 | 8,459 | 5,755 | io-nonblock | Enables non-blocking mode with IO class |
| 72 | 8,798 | 10,248 | gdbm | Ruby extension for GNU dbm. |
| 73 | 9,802 | 10,105 | perfectqueue | Highly available distributed cron built on RDBMS |
| 74 | 11,467 | 5,819 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 75 | 12,654 | 40,326 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 76 | 15,030 | 12,910 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 77 | 17,281 | 26,167 | perfectsched | Highly available distributed cron built on RDBMS |
| 78 | 60,947 | 15,801 | lrama | LALR (1) parser generator written by Ruby |
| 79 | 71,738 | 28,432 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 80 | 156,662 | 87,133 | gohttp | an http library with go. |
| 81 | 163,953 | 97,074 | laplace | fast method tracing |
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