| 1 | 18 | 2 | json | A JSON implementation as a JRuby extension. |
| 2 | 67 | 14 | rexml | An XML toolkit for Ruby |
| 3 | 101 | 94 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 121 | 39 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 229 | 59 | net-imap | Ruby client api for Internet Message Access Protocol |
| 6 | 294 | 99 | net-protocol | The abstract interface for net-* client. |
| 7 | 324 | 25 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 8 | 377 | 95 | date | A subclass of Object includes Comparable module for handling dates. |
| 9 | 440 | 214 | matrix | An implementation of Matrix and Vector classes. |
| 10 | 667 | 122 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 11 | 720 | 993 | json_pure | This is a JSON implementation in pure Ruby. |
| 12 | 753 | 371 | strscan | Provides lexical scanning operations on a String. |
| 13 | 758 | 279 | optparse | OptionParser is a class for command-line option analysis. |
| 14 | 801 | 126 | drb | Distributed object system for Ruby |
| 15 | 833 | 357 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 16 | 838 | 492 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 17 | 855 | 203 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 18 | 883 | 437 | sync | A module that provides a two-phase lock with a counter. |
| 19 | 892 | 40 | logger | Provides a simple logging utility for outputting messages. |
| 20 | 904 | 190 | stringio | Pseudo `IO` class from/to `String`. |
| 21 | 976 | 148 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 22 | 980 | 169 | net-http | HTTP client api for Ruby. |
| 23 | 986 | 943 | e2mmap | Module for defining custom exceptions with specific messages. |
| 24 | 1,029 | 208 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 25 | 1,092 | 885 | set | Provides a class to deal with collections of unordered, unique values |
| 26 | 1,292 | 239 | nkf | Ruby extension for Network Kanji Filter |
| 27 | 1,399 | 1,674 | thwait | Watches for termination of multiple threads. |
| 28 | 1,560 | 1,232 | digest | Provides a framework for message digest libraries. |
| 29 | 1,632 | 2,015 | strptime | a fast strptime/strftime engine which uses VM. |
| 30 | 1,693 | 159 | securerandom | Interface for secure random number generator. |
| 31 | 1,742 | 2,075 | iconv | iconv wrapper library |
| 32 | 1,756 | 1,274 | net-ftp | Support for the File Transfer Protocol. |
| 33 | 1,833 | 1,396 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 34 | 1,859 | 1,467 | rss | Family of libraries that support various formats of XML "feeds". |
| 35 | 1,865 | 2,128 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 36 | 2,034 | 1,920 | forwardable | Provides delegation of specified methods to a designated object. |
| 37 | 2,220 | 1,110 | zlib | Ruby interface for the zlib compression/decompression library |
| 38 | 2,224 | 301 | ostruct | Class to build custom data structures, similar to a Hash. |
| 39 | 2,240 | 1,333 | time | Extends the Time class with methods for parsing and conversion. |
| 40 | 2,359 | 3,404 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 41 | 2,646 | 2,170 | io-wait | Waits until IO is readable or writable without blocking. |
| 42 | 2,664 | 2,122 | scanf | scanf is an implementation of the C function scanf(3). |
| 43 | 2,744 | 1,463 | erb | An easy to use but powerful templating system for Ruby. |
| 44 | 2,765 | 3,908 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 45 | 2,907 | 1,781 | resolv | Thread-aware DNS resolver library in Ruby. |
| 46 | 2,909 | 1,419 | fiddle | A libffi wrapper for Ruby. |
| 47 | 3,221 | 1,759 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 48 | 3,332 | 1,953 | resolv-replace | Replace Socket DNS with Resolv. |
| 49 | 3,418 | 5,836 | td-client | Treasure Data API library for Ruby |
| 50 | 3,768 | 1,830 | syslog | Ruby interface for the POSIX system logging facility. |
| 51 | 3,771 | 2,244 | tempfile | A utility class for managing temporary files. |
| 52 | 3,819 | 3,225 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 53 | 3,881 | 2,349 | rinda | The Linda distributed computing paradigm in Ruby. |
| 54 | 3,939 | 2,319 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 55 | 4,751 | 12,086 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 56 | 4,762 | 8,838 | td-logger | Treasure Data logging library |
| 57 | 5,040 | 6,254 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 58 | 5,081 | 2,651 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,596 | 3,632 | tsort | Topological sorting using Tarjan's algorithm |
| 60 | 5,984 | 3,781 | pathname | Representation of the name of a file or directory on the filesystem |
| 61 | 6,264 | 8,501 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 62 | 6,272 | 4,619 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 63 | 6,482 | 3,908 | pp | Provides a PrettyPrinter for Ruby objects |
| 64 | 6,864 | 4,372 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 65 | 8,162 | 4,138 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 66 | 8,235 | 4,968 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 67 | 8,335 | 5,660 | un | Utilities to replace common UNIX commands |
| 68 | 8,413 | 12,262 | gdbm | Ruby extension for GNU dbm. |
| 69 | 8,695 | 5,127 | find | This module supports top-down traversal of a set of file paths. |
| 70 | 9,220 | 5,648 | weakref | Allows a referenced object to be garbage-collected. |
| 71 | 9,341 | 67,808 | perfectqueue | Highly available distributed cron built on RDBMS |
| 72 | 9,974 | 4,847 | io-nonblock | Enables non-blocking mode with IO class |
| 73 | 11,890 | 29,831 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 74 | 13,475 | 6,117 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 75 | 14,550 | 45,971 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 76 | 16,691 | 13,608 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 22,358 | 7,958 | win32ole | Provides an interface for OLE Automation in Ruby |
| 78 | 71,670 | 45,971 | lrama | LALR (1) parser generator written by Ruby |
| 79 | 74,031 | 67,808 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 80 | 156,261 | 45,971 | gohttp | an http library with go. |
| 81 | 163,488 | 45,971 | laplace | fast method tracing |
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