| 1 | 9 | 2 | json | A JSON implementation as a JRuby extension. |
| 2 | 38 | 26 | rexml | An XML toolkit for Ruby |
| 3 | 88 | 9 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 4 | 93 | 103 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 5 | 108 | 136 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 6 | 116 | 7 | logger | Provides a simple logging utility for outputting messages. |
| 7 | 131 | 80 | net-imap | Ruby client api for Internet Message Access Protocol |
| 8 | 167 | 65 | date | The official date library for Ruby. |
| 9 | 168 | 34 | net-protocol | The abstract interface for net-* client. |
| 10 | 187 | 52 | drb | Distributed object system for Ruby |
| 11 | 210 | 55 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 215 | 41 | securerandom | Interface for secure random number generator. |
| 13 | 249 | 78 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 14 | 252 | 122 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 15 | 259 | 89 | net-http | HTTP client api for Ruby. |
| 16 | 275 | 147 | stringio | Pseudo `IO` class from/to `String`. |
| 17 | 297 | 179 | matrix | An implementation of Matrix and Vector classes. |
| 18 | 310 | 94 | ostruct | Class to build custom data structures, similar to a Hash. |
| 19 | 338 | 79 | pp | Provides a PrettyPrinter for Ruby objects |
| 20 | 380 | 61 | erb | An easy to use but powerful templating system for Ruby. |
| 21 | 384 | 84 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 22 | 418 | 188 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 23 | 435 | 268 | optparse | OptionParser is a class for command-line option analysis. It is much more
advanced, ye... |
| 24 | 448 | 176 | nkf | Ruby extension for Network Kanji Filter |
| 25 | 480 | 245 | strscan | Provides lexical scanning operations on a String. |
| 26 | 533 | 232 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 27 | 556 | 83 | tsort | Topological sorting using Tarjan's algorithm |
| 28 | 811 | 1,749 | json_pure | This is a JSON implementation in pure Ruby. |
| 29 | 828 | 1,168 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 30 | 834 | 809 | sync | A module that provides a two-phase lock with a counter. |
| 31 | 1,003 | 868 | set | Provides a class to deal with collections of unordered, unique values |
| 32 | 1,015 | 805 | e2mmap | Module for defining custom exceptions with specific messages. |
| 33 | 1,407 | 352 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 34 | 1,528 | 977 | thwait | Watches for termination of multiple threads. |
| 35 | 1,531 | 473 | zlib | Ruby interface for the zlib compression/decompression library |
| 36 | 1,540 | 925 | net-ftp | Support for the File Transfer Protocol. |
| 37 | 1,552 | 1,236 | digest | Provides a framework for message digest libraries. |
| 38 | 1,605 | 585 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 1,643 | 623 | fiddle | A libffi wrapper for Ruby. |
| 40 | 1,660 | 885 | forwardable | Provides delegation of specified methods to a designated object. |
| 41 | 1,729 | 1,311 | rss | Family of libraries that support various formats of XML "feeds". |
| 42 | 1,791 | 1,525 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 43 | 1,849 | 1,924 | strptime | a fast strptime/strftime engine which uses VM. |
| 44 | 1,922 | 2,049 | iconv | iconv wrapper library |
| 45 | 2,058 | 828 | syslog | Ruby interface for the POSIX system logging facility. |
| 46 | 2,178 | 710 | resolv | Thread-aware DNS resolver library in Ruby. |
| 47 | 2,272 | 1,143 | resolv-replace | Replace Socket DNS with Resolv. |
| 48 | 2,332 | 1,695 | scanf | scanf is an implementation of the C function scanf(3). |
| 49 | 2,333 | 892 | io-wait | Deprecated: All functionality ships with Ruby 3.2 and higher. |
| 50 | 2,679 | 2,989 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 51 | 2,962 | 2,206 | rinda | The Linda distributed computing paradigm in Ruby. |
| 52 | 3,051 | 1,816 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 53 | 3,104 | 1,489 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 54 | 3,155 | 2,001 | tempfile | A utility class for managing temporary files. |
| 55 | 3,584 | 2,650 | win32ole | Provides an interface for OLE Automation in Ruby |
| 56 | 3,786 | 3,142 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 57 | 3,850 | 3,974 | td-client | Treasure Data API library for Ruby |
| 58 | 3,970 | 2,195 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,196 | 3,418 | pathname | Representation of the name of a file or directory on the filesystem |
| 60 | 5,220 | 4,736 | td-logger | Treasure Data logging library |
| 61 | 5,335 | 10,705 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 62 | 5,517 | 5,905 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 63 | 6,179 | 4,295 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 64 | 6,343 | 4,438 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 65 | 6,644 | 3,716 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 66 | 6,894 | 3,055 | weakref | Allows a referenced object to be garbage-collected. |
| 67 | 6,899 | 10,571 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 68 | 6,920 | 3,114 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 7,267 | 3,206 | un | Utilities to replace common UNIX commands |
| 70 | 8,267 | 4,643 | io-nonblock | Enables non-blocking mode with IO class |
| 71 | 9,534 | 13,083 | gdbm | Ruby extension for GNU dbm. |
| 72 | 10,084 | 6,943 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 73 | 10,606 | 34,763 | perfectqueue | Highly available distributed cron built on RDBMS |
| 74 | 13,866 | 19,837 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 75 | 15,778 | 13,939 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 76 | 18,169 | 34,763 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 29,486 | 5,776 | lrama | LALR (1) parser generator written by Ruby |
| 78 | 68,071 | 89,752 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 154,302 | 89,752 | gohttp | an http library with go. |
| 80 | 166,060 | 55,240 | laplace | fast method tracing |