| 1 | 9 | 2 | json | This is a JSON implementation as a Ruby extension in C. |
| 2 | 40 | 25 | rexml | An XML toolkit for Ruby |
| 3 | 92 | 79 | msgpack | MessagePack is a binary-based efficient object serialization library. It enables to exc... |
| 4 | 95 | 6 | base64 | Support for encoding and decoding binary data using a Base64 representation. |
| 5 | 109 | 95 | webrick | WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy se... |
| 6 | 125 | 5 | logger | Provides a simple logging utility for outputting messages. |
| 7 | 139 | 72 | net-imap | Ruby client api for Internet Message Access Protocol |
| 8 | 181 | 70 | date | The official date library for Ruby. |
| 9 | 186 | 99 | net-protocol | The abstract interface for net-* client. |
| 10 | 208 | 50 | drb | Distributed object system for Ruby |
| 11 | 228 | 89 | irb | Interactive Ruby command-line tool for REPL (Read Eval Print Loop). |
| 12 | 240 | 59 | securerandom | Interface for secure random number generator. |
| 13 | 275 | 118 | mutex_m | Mixin to extend objects to be handled like a Mutex. |
| 14 | 284 | 152 | stringio | Pseudo `IO` class from/to `String`. |
| 15 | 286 | 77 | csv | The CSV library provides a complete interface to CSV files and data. It offers tools to... |
| 16 | 288 | 71 | net-http | HTTP client api for Ruby. |
| 17 | 310 | 176 | matrix | An implementation of Matrix and Vector classes. |
| 18 | 351 | 76 | ostruct | Class to build custom data structures, similar to a Hash. |
| 19 | 407 | 98 | pp | Provides a PrettyPrinter for Ruby objects |
| 20 | 451 | 206 | debug | Debugging functionality for Ruby. This is completely rewritten debug.rb which was conta... |
| 21 | 457 | 292 | optparse | OptionParser is a class for command-line option analysis. It is much more
advanced, ye... |
| 22 | 486 | 109 | prettyprint | Implements a pretty printing algorithm for readable structure. |
| 23 | 492 | 212 | nkf | Ruby extension for Network Kanji Filter |
| 24 | 500 | 90 | erb | An easy to use but powerful templating system for Ruby. |
| 25 | 507 | 263 | strscan | Provides lexical scanning operations on a String. |
| 26 | 579 | 259 | openssl | OpenSSL for Ruby provides access to SSL/TLS and general-purpose cryptography based on t... |
| 27 | 799 | 1,714 | json_pure | This is a JSON implementation in pure Ruby. |
| 28 | 828 | 768 | sigdump | Setup signal handler which dumps backtrace of running threads and number of allocated o... |
| 29 | 829 | 110 | tsort | Topological sorting using Tarjan's algorithm |
| 30 | 833 | 748 | sync | A module that provides a two-phase lock with a counter. |
| 31 | 1,001 | 864 | set | Provides a class to deal with collections of unordered, unique values |
| 32 | 1,019 | 969 | e2mmap | Module for defining custom exceptions with specific messages. |
| 33 | 1,526 | 1,229 | thwait | Watches for termination of multiple threads. |
| 34 | 1,549 | 1,208 | digest | Provides a framework for message digest libraries. |
| 35 | 1,559 | 919 | net-ftp | Support for the File Transfer Protocol. |
| 36 | 1,573 | 383 | abbrev | Calculates a set of unique abbreviations for a given set of strings |
| 37 | 1,594 | 630 | zlib | Ruby interface for the zlib compression/decompression library |
| 38 | 1,672 | 613 | time | Extends the Time class with methods for parsing and conversion. |
| 39 | 1,675 | 973 | forwardable | Provides delegation of specified methods to a designated object. |
| 40 | 1,714 | 708 | fiddle | A libffi wrapper for Ruby. |
| 41 | 1,744 | 1,326 | rss | Family of libraries that support various formats of XML "feeds". |
| 42 | 1,813 | 1,323 | fileutils | Several file utility methods for copying, moving, removing, etc. |
| 43 | 1,830 | 1,784 | strptime | a fast strptime/strftime engine which uses VM. |
| 44 | 1,915 | 2,445 | iconv | iconv wrapper library |
| 45 | 2,147 | 947 | syslog | Ruby interface for the POSIX system logging facility. |
| 46 | 2,253 | 1,564 | resolv | Thread-aware DNS resolver library in Ruby. |
| 47 | 2,333 | 1,347 | resolv-replace | Replace Socket DNS with Resolv. |
| 48 | 2,379 | 1,590 | scanf | scanf is an implementation of the C function scanf(3). |
| 49 | 2,431 | 1,960 | io-wait | Waits until IO is readable or writable without blocking. |
| 50 | 2,632 | 3,971 | english | Require 'English.rb' to reference global variables with less cryptic names. |
| 51 | 3,044 | 2,142 | rinda | The Linda distributed computing paradigm in Ruby. |
| 52 | 3,080 | 3,853 | did_you_mean | The gem that has been saving people from typos since 2014. |
| 53 | 3,123 | 1,913 | open-uri | An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP. |
| 54 | 3,220 | 2,232 | tempfile | A utility class for managing temporary files. |
| 55 | 3,736 | 2,401 | win32ole | Provides an interface for OLE Automation in Ruby |
| 56 | 3,788 | 3,320 | etc | Provides access to information typically stored in UNIX /etc directory. |
| 57 | 3,807 | 6,515 | td-client | Treasure Data API library for Ruby |
| 58 | 4,085 | 3,108 | shellwords | Manipulates strings with word parsing rules of UNIX Bourne shell. |
| 59 | 5,172 | 8,796 | td-logger | Treasure Data logging library |
| 60 | 5,259 | 7,077 | td | CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing |
| 61 | 5,270 | 3,741 | pathname | Representation of the name of a file or directory on the filesystem |
| 62 | 5,448 | 6,195 | shell | An idiomatic Ruby interface for common UNIX shell commands. |
| 63 | 6,182 | 6,483 | fcntl | Loads constants defined in the OS fcntl.h C header file |
| 64 | 6,545 | 4,384 | cmath | CMath is a library that provides trigonometric and transcendental functions for complex... |
| 65 | 6,780 | 6,340 | tmpdir | Extends the Dir class to manage the OS temporary file path. |
| 66 | 6,835 | 6,726 | dbm | Provides a wrapper for the UNIX-style Database Manager Library |
| 67 | 7,316 | 5,548 | weakref | Allows a referenced object to be garbage-collected. |
| 68 | 7,328 | 5,494 | find | This module supports top-down traversal of a set of file paths. |
| 69 | 7,734 | 6,843 | un | Utilities to replace common UNIX commands |
| 70 | 8,335 | 7,353 | io-nonblock | Enables non-blocking mode with IO class |
| 71 | 9,410 | 17,296 | gdbm | Ruby extension for GNU dbm. |
| 72 | 10,436 | 18,077 | perfectqueue | Highly available distributed cron built on RDBMS |
| 73 | 10,686 | 3,628 | sdbm | Provides a simple file-based key-value store with String keys and values. |
| 74 | 13,644 | 15,732 | ext_monitor | faster MonitorMixin implementation with C extension which is introduced in Ruby 2.7 |
| 75 | 15,657 | 24,406 | fluent-plugin-metricsense | MetricSense - application metrics aggregation plugin for Fluentd |
| 76 | 17,906 | 24,406 | perfectsched | Highly available distributed cron built on RDBMS |
| 77 | 40,786 | 16,924 | lrama | LALR (1) parser generator written by Ruby |
| 78 | 67,613 | 60,696 | traceroute53 | A tool to investigate Route53, ELB, EC2 and Security Groups |
| 79 | 153,340 | 60,696 | gohttp | an http library with go. |
| 80 | 164,820 | 60,696 | laplace | fast method tracing |