| 1 | 18 | 15 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 74 | 6 | rexml | An XML toolkit for Ruby |
| 3 | 104 | 96 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 134 | 67 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 5 | 282 | 73 | net-imap | Ruby client api for Internet Message Access Protocol |
| 6 | 352 | 119 | net-protocol | The abstract interface for net-* client. |
| 7 | 505 | 153 | date | A subclass of Object includes Comparable module for handling dates. |
| 8 | 615 | 204 | matrix | An implementation of Matrix and Vector classes. |
| 9 | 645 | 60 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 10 | 678 | 1,498 | json_pure | This is a JSON implementation in pure Ruby. |
| 11 | 791 | 271 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 822 | 386 | optparse | OptionParser is a class for command-line option analysis. |
| 13 | 870 | 448 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 14 | 888 | 484 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 15 | 937 | 390 | sync | A module that provides a two-phase lock with a counter. |
| 16 | 982 | 1,026 | e2mmap | Module for defining custom exceptions with specific messages. |
| 17 | 995 | 493 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 18 | 1,036 | 65 | strscan | Provides lexical scanning operations on a String. |
| 19 | 1,095 | 772 | set | Provides a class to deal with collections of unordered, unique values |
| 20 | 1,136 | 213 | drb | Distributed object system for Ruby |
| 21 | 1,155 | 347 | stringio | Pseudo `IO` class from/to `String`. |
| 22 | 1,307 | 395 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 23 | 1,325 | 274 | net-http | HTTP client api for Ruby. |
| 24 | 1,368 | 320 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 25 | 1,371 | 1,614 | thwait | Watches for termination of multiple threads. |
| 26 | 1,560 | 1,578 | digest | Provides a framework for message digest libraries. |
| 27 | 1,574 | 2,139 | strptime | a fast strptime/strftime engine which uses VM. |
| 28 | 1,597 | 254 | logger | Provides a simple logging utility for outputting messages. |
| 29 | 1,669 | 2,084 | iconv | iconv wrapper library |
| 30 | 1,788 | 385 | nkf | Ruby extension for Network Kanji Filter |
| 31 | 1,817 | 2,215 | cool.io | Cool.io provides a high performance event framework for Ruby which uses the libev C lib... |
| 32 | 1,849 | 1,254 | net-ftp | Support for the File Transfer Protocol. |
| 33 | 1,872 | 1,384 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 34 | 1,926 | 1,574 | rss | Family of libraries that support various formats of XML "feeds". |
| 35 | 2,178 | 824 | forwardable | Provides delegation of specified methods to a designated object. |
| 36 | 2,289 | 3,127 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 37 | 2,484 | 1,552 | zlib | Ruby interface for the zlib compression/decompression library |
| 38 | 2,502 | 1,491 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 2,668 | 4,748 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 40 | 2,673 | 2,260 | io-wait | Waits until IO is readable or writable without blocking. |
| 41 | 2,722 | 2,029 | scanf | scanf is an implementation of the C function scanf(3). |
| 42 | 3,006 | 1,844 | securerandom | Interface for secure random number generator. |
| 43 | 3,056 | 1,800 | resolv | Thread-aware DNS resolver library in Ruby. |
| 44 | 3,076 | 1,675 | erb | An easy to use but powerful templating system for Ruby. |
| 45 | 3,293 | 1,688 | fiddle | A libffi wrapper for Ruby. |
| 46 | 3,315 | 3,684 | td-client | Treasure Data API library for Ruby |
| 47 | 3,826 | 3,906 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 48 | 3,895 | 2,023 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 49 | 3,917 | 2,273 | ostruct | Class to build custom data structures, similar to a Hash. |
| 50 | 3,969 | 2,322 | tempfile | A utility class for managing temporary files. |
| 51 | 4,049 | 1,877 | resolv-replace | Replace Socket DNS with Resolv. |
| 52 | 4,140 | 2,399 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 53 | 4,615 | 4,561 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 54 | 4,662 | 3,986 | td-logger | Treasure Data logging library |
| 55 | 4,826 | 2,276 | syslog | Ruby interface for the POSIX system logging facility. |
| 56 | 4,831 | 2,453 | rinda | The Linda distributed computing paradigm in Ruby. |
| 57 | 4,970 | 5,446 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 58 | 5,587 | 3,305 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,984 | 4,216 | tsort | Topological sorting using Tarjan's algorithm |
| 60 | 6,179 | 8,572 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 61 | 6,364 | 4,456 | pathname | Representation of the name of a file or directory on the filesystem |
| 62 | 6,423 | 4,895 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 63 | 6,760 | 4,779 | pp | Provides a PrettyPrinter for Ruby objects |
| 64 | 7,259 | 4,789 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 65 | 8,031 | 10,630 | gdbm | Ruby extension for GNU dbm. |
| 66 | 8,493 | 5,106 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 67 | 8,755 | 5,429 | un | Utilities to replace common UNIX commands |
| 68 | 8,781 | 5,164 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 69 | 9,104 | 8,824 | perfectqueue | Highly available distributed cron built on RDBMS |
| 70 | 9,420 | 5,090 | find | This module supports top-down traversal of a set of file paths. |
| 71 | 9,878 | 5,452 | weakref | Allows a referenced object to be garbage-collected. |
| 72 | 10,932 | 5,452 | io-nonblock | Enables non-blocking mode with IO class |
| 73 | 11,519 | 24,456 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 74 | 14,255 | 19,489 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 75 | 14,467 | 7,429 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 76 | 16,361 | 13,127 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 27,244 | 7,852 | win32ole | Provides an interface for OLE Automation in Ruby |
| 78 | 73,979 | 40,310 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 79,451 | 27,598 | lrama | LALR (1) parser generator written by Ruby |
| 80 | 155,518 | 40,310 | gohttp | an http library with go. |
| 81 | 162,739 | 40,310 | laplace | fast method tracing |
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