| 1 | 13 | 8 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 51 | 12 | rexml | An XML toolkit for Ruby |
| 3 | 97 | 113 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 111 | 91 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 149 | 2 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 6 | 174 | 61 | net-imap | Ruby client api for Internet Message Access Protocol |
| 7 | 219 | 107 | net-protocol | The abstract interface for net-* client. |
| 8 | 220 | 15 | logger | Provides a simple logging utility for outputting messages. |
| 9 | 240 | 82 | date | A subclass of Object includes Comparable module for handling dates. |
| 10 | 306 | 53 | drb | Distributed object system for Ruby |
| 11 | 315 | 110 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 336 | 201 | matrix | An implementation of Matrix and Vector classes. |
| 13 | 396 | 80 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 14 | 416 | 117 | stringio | Pseudo `IO` class from/to `String`. |
| 15 | 433 | 58 | securerandom | Interface for secure random number generator. |
| 16 | 436 | 138 | net-http | HTTP client api for Ruby. |
| 17 | 452 | 124 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 18 | 560 | 228 | optparse | OptionParser is a class for command-line option analysis. |
| 19 | 628 | 347 | strscan | Provides lexical scanning operations on a String. |
| 20 | 671 | 221 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 21 | 748 | 188 | nkf | Ruby extension for Network Kanji Filter |
| 22 | 755 | 1,098 | json_pure | This is a JSON implementation in pure Ruby. |
| 23 | 767 | 416 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 24 | 811 | 129 | ostruct | Class to build custom data structures, similar to a Hash. |
| 25 | 822 | 1,110 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 26 | 838 | 912 | sync | A module that provides a two-phase lock with a counter. |
| 27 | 904 | 135 | pp | Provides a PrettyPrinter for Ruby objects |
| 28 | 1,004 | 1,209 | e2mmap | Module for defining custom exceptions with specific messages. |
| 29 | 1,056 | 593 | set | Provides a class to deal with collections of unordered, unique values |
| 30 | 1,075 | 167 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 31 | 1,339 | 153 | erb | An easy to use but powerful templating system for Ruby. |
| 32 | 1,493 | 1,701 | thwait | Watches for termination of multiple threads. |
| 33 | 1,536 | 1,227 | digest | Provides a framework for message digest libraries. |
| 34 | 1,650 | 1,215 | net-ftp | Support for the File Transfer Protocol. |
| 35 | 1,717 | 2,542 | strptime | a fast strptime/strftime engine which uses VM. |
| 36 | 1,743 | 1,292 | forwardable | Provides delegation of specified methods to a designated object. |
| 37 | 1,814 | 1,498 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 38 | 1,823 | 1,966 | iconv | iconv wrapper library |
| 39 | 1,830 | 1,818 | rss | Family of libraries that support various formats of XML "feeds". |
| 40 | 1,919 | 768 | zlib | Ruby interface for the zlib compression/decompression library |
| 41 | 1,950 | 753 | time | Extends the Time class with methods for parsing and conversion. |
| 42 | 1,983 | 2,792 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 43 | 2,124 | 734 | fiddle | A libffi wrapper for Ruby. |
| 44 | 2,432 | 1,073 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 45 | 2,518 | 3,587 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 46 | 2,536 | 1,863 | io-wait | Waits until IO is readable or writable without blocking. |
| 47 | 2,550 | 1,730 | scanf | scanf is an implementation of the C function scanf(3). |
| 48 | 2,562 | 1,768 | resolv | Thread-aware DNS resolver library in Ruby. |
| 49 | 2,794 | 2,125 | resolv-replace | Replace Socket DNS with Resolv. |
| 50 | 2,914 | 1,592 | syslog | Ruby interface for the POSIX system logging facility. |
| 51 | 2,946 | 4,452 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 52 | 3,260 | 2,796 | rinda | The Linda distributed computing paradigm in Ruby. |
| 53 | 3,399 | 2,149 | tempfile | A utility class for managing temporary files. |
| 54 | 3,423 | 1,836 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 55 | 3,613 | 5,519 | td-client | Treasure Data API library for Ruby |
| 56 | 3,622 | 274 | tsort | Topological sorting using Tarjan's algorithm |
| 57 | 3,796 | 3,682 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 58 | 4,433 | 3,259 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 4,972 | 5,980 | td-logger | Treasure Data logging library |
| 60 | 4,999 | 6,034 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 61 | 5,252 | 5,598 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 62 | 5,488 | 3,985 | pathname | Representation of the name of a file or directory on the filesystem |
| 63 | 5,623 | 3,974 | win32ole | Provides an interface for OLE Automation in Ruby |
| 64 | 6,045 | 4,767 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 65 | 6,453 | 9,508 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 66 | 6,749 | 4,591 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 67 | 7,203 | 4,552 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 68 | 7,722 | 5,190 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 7,738 | 6,039 | un | Utilities to replace common UNIX commands |
| 70 | 7,900 | 4,573 | weakref | Allows a referenced object to be garbage-collected. |
| 71 | 8,434 | 5,871 | io-nonblock | Enables non-blocking mode with IO class |
| 72 | 8,824 | 9,945 | gdbm | Ruby extension for GNU dbm. |
| 73 | 9,829 | 13,163 | perfectqueue | Highly available distributed cron built on RDBMS |
| 74 | 11,371 | 6,488 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 75 | 12,719 | 52,596 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 76 | 15,035 | 12,454 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 77 | 17,314 | 29,694 | perfectsched | Highly available distributed cron built on RDBMS |
| 78 | 59,189 | 15,334 | lrama | LALR (1) parser generator written by Ruby |
| 79 | 70,954 | 37,719 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 80 | 156,312 | 83,762 | gohttp | an http library with go. |
| 81 | 163,663 | 121,021 | laplace | fast method tracing |
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