Standard Gems 2.7.6

Default Gems

Default Gem	2.7.6	2.7.5	Description	Resources
benchmark	0.1.0	0.1.0	Benchmark utility: Measures and reports the time used to execute code	RubyGems · GitHub · RDoc
bigdecimal c	2.0.0	2.0.0	Support for arbitrary-precision floating point decimal arithmetic	RubyGems · GitHub · RDoc
bundler	2.1.4	2.1.4	Bundler is the local package manager for Ruby applications	RubyGems · GitHub · RDoc · CRuby
cgi	0.1.0.1	0.1.0.1	Support for CGI (Common Gateway Interface)	RubyGems · GitHub · RDoc
csv	3.1.2	3.1.2	Support for CSV (Comma-separated Values)	RubyGems · GitHub · RDoc
date c	3.0.3	3.0.3	The Date and DateTime classes	RubyGems · GitHub · RDoc (1) · RDoc (2) · CRuby · JRuby (1) · JRuby (2) · JRuby (3)
dbm c	1.1.0	1.1.0	Support for DBM databases	RubyGems · GitHub · RDoc
delegate	0.1.0	0.1.0	Provides three ways to delegate method calls	RubyGems · GitHub · RDoc · CRuby
did_you_mean	1.4.0	1.4.0	Patches error messages to suggest correct spelling of methods/classes/variables	RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
etc c	1.1.0	1.1.0	Access UNIX info from `/etc`	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
fcntl c	1.0.0	1.0.0	Loads values from the OS' `fcntl.h` to be used for low-level file descriptor manipulation system calls with IO#fcntl and IO.sysopen	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
fiddle c	1.0.0	1.0.0	Support for FFI (Foreign Function Interface)	RubyGems · GitHub · RDoc
fileutils	1.4.1	1.4.1	Utilities for working with the file system, such as copying, moving, or deleting files	RubyGems · GitHub · RDoc · CRuby · JRuby (1)
forwardable	1.3.1	1.3.1	Provides a way to delegate method calls. Also see this overview of delegation in Ruby, which contains an example	RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · CRuby (3)
gdbm c	2.1.0	2.1.0	Support for GDBM databases	RubyGems · GitHub · RDoc
getoptlong	0.1.0	0.1.0	GNU getopt_long() style command-line option parsing	RubyGems · GitHub · RDoc
io-console c	0.5.6	0.5.6	Patches `IO` for simple and portable access to the console	RubyGems · GitHub · RDoc · CRuby
ipaddr	1.2.2	1.2.2	IP address manipulation (IPv4 and IPv6)	RubyGems · GitHub · RDoc · CRuby
irb	1.2.6	1.2.6	Interactive Ruby Console (REPL)	RubyGems · GitHub · RDoc
json c	2.3.0	2.3.0	Support for JSON (JavaScript Object Notation)	RubyGems · GitHub · RDoc · CRuby
logger	1.4.2	1.4.2	Logging utility	RubyGems · GitHub · RDoc
matrix	0.2.0	0.2.0	Support for matrices	RubyGems · GitHub · RDoc
mutex_m	0.1.0	0.1.0	A mixin that makes any object behave like a mutex	RubyGems · GitHub · RDoc
net-pop	0.1.0	0.1.0	Support for POP3 (Post Office Protocol)	RubyGems · GitHub · RDoc
net-smtp	0.1.0	0.1.0	Support for SMTP (Simple Mail Transfer Protocol)	RubyGems · GitHub · RDoc
observer	0.1.0	0.1.0	Implementation of the observer pattern, a way to let interested other objects know o an objetc's updates	RubyGems · GitHub · RDoc
open3	0.1.0	0.1.0	Simple spawning of child processes	RubyGems · GitHub · RDoc · CRuby · JRuby
openssl c	2.1.3	2.1.3	Wraps OpenSSL for cryptographic functionality	RubyGems · GitHub · RDoc · CRuby
ostruct	0.2.0	0.2.0	Wrapper around Hash which lets you read and set attributes with a method-based API	RubyGems · GitHub · RDoc
prime	0.1.1	0.1.1	Access to prime numbers and prime factorization	RubyGems · GitHub · RDoc
pstore	0.1.0	0.1.0	Transactional file storage for Ruby objects	RubyGems · GitHub · RDoc
psych c	3.1.0	3.1.0	Support for YAML (YAML Ain't Markup Language)	RubyGems · GitHub · RDoc · CRuby
rdoc	6.2.1.1	6.2.1.1	Ruby documentation generator	RubyGems · GitHub · RDoc
readline	0.0.2	0.0.2	If available, readline-ext will be loaded, or (Ruby-only) bundled gem reline will be used.	RubyGems · GitHub · RDoc
readline-ext c	0.1.0	0.1.0	Interface to GNU Readline and NetBSD Editline	RubyGems · GitHub · RDoc
reline	0.1.5	0.1.5	Ruby-only implementation of GNU Readline / NetBSD Editline	RubyGems · GitHub · RDoc
rexml	3.2.3.1	3.2.3.1	Support for XML (Extensible Markup Language)	RubyGems · GitHub · RDoc
rss	0.2.8	0.2.8	Support for RSS (Rich Site Summary) and Atom	RubyGems · GitHub · RDoc
rubygems	3.1.6	3.1.6	RubyGems allows you to download, install, and use Ruby software packages on your system. It can connect to gem servers like rubygems.org or gem.coop to retrieve latest gems.	RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · JRuby (1)
sdbm c	1.0.0	1.0.0	Support for SDBM databases	RubyGems · GitHub · RDoc
singleton	0.1.0	0.1.0	Mixin for Ruby classes that should only have one instance	RubyGems · GitHub · RDoc · CRuby
stringio c	0.1.0	0.1.0	Makes strings behave like IO objects	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
strscan c	1.0.3	1.0.3	Lexical string scanning	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
timeout	0.1.0	0.1.0	Auto-terminates code blocks after the time limit is reached	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
tracer	0.1.0	0.1.0	Outputs the code execution trace via Kernel#set_trace_func	RubyGems · GitHub · RDoc
uri	0.10.0	0.10.0	URI/URL manipulation	RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · JRuby (1) · JRuby (2)
webrick	1.6.1	1.6.1	HTTP Server	RubyGems · GitHub · RDoc
yaml	0.1.0	0.1.0	`require 'yaml'` will load the psych default gem, yaml/dbm is a wrapper around DBM using YAML serialization, and yaml/store lets you use pstore with YAML	RubyGems · GitHub · RDoc (1) · RDoc (2) · RDoc (3) · CRuby (1) · CRuby (2) · CRuby (3) · JRuby (1) · JRuby (2)
zlib c	1.1.0	1.1.0	Interface to the zlib compression library	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)

Bundled Gems

Bundled Gem	2.7.6	2.7.5	Description	Resources
minitest	5.13.0	5.13.0	Test/spec framework, comes with mocking and benchmark capabilities	RubyGems · GitHub · RDoc
net-telnet	0.2.0	0.2.0	Support for Telnet	RubyGems · GitHub · RDoc
power_assert	1.1.7	1.1.7	Debug tool that displays intermediate results of a method chain	RubyGems · GitHub · RDoc
rake	13.0.1	13.0.1	A Ruby task runner, inspired by make	RubyGems · GitHub · RDoc
test-unit	3.3.4	3.3.4	A xUnit family unit testing framework (compatibility layer for minitest)	RubyGems · GitHub · RDoc
xmlrpc	0.3.0	0.3.0	Remote Procedure Calls via XML and HTTP	RubyGems · GitHub · RDoc

More Standard Gems

General information about standard gems
Gem list for Ruby: 4.0.0
Gem list for Ruby: 3.4.8 · 3.4.7 · 3.4.6 · 3.4.5 · 3.4.4 · 3.4.3 · 3.4.2 · 3.4.1 · 3.4.0
Gem list for Ruby: 3.3.10 · 3.3.9 · 3.3.8 · 3.3.7 · 3.3.6 · 3.3.5 · 3.3.4 · 3.3.3 · 3.3.2 · 3.3.1 · 3.3.0
Gem list for Ruby: 3.2.9 · 3.2.8 · 3.2.7 · 3.2.6 · 3.2.5 · 3.2.4 · 3.2.3 · 3.2.2 · 3.2.1 · 3.2.0
Gem list for Ruby: 3.1.7 · 3.1.6 · 3.1.5 · 3.1.4 · 3.1.3 · 3.1.2 · 3.1.1 · 3.1.0
Gem list for Ruby: 3.0.7 · 3.0.6 · 3.0.5 · 3.0.4 · 3.0.3 · 3.0.2 · 3.0.1 · 3.0.0
Gem list for Ruby: 2.7.8 · 2.7.7 · 2.7.6 · 2.7.5 · 2.7.4 · 2.7.3 · 2.7.2 · 2.7.1 · 2.7.0
Gem list for Ruby: 2.6.10 · 2.6.9 · 2.6.8 · 2.6.7 · 2.6.6 · 2.6.5 · 2.6.4 · 2.6.3 · 2.6.2 · 2.6.1 · 2.6.0
Gem list for Ruby: 2.5.9 · 2.5.8 · 2.5.7 · 2.5.6 · 2.5.5 · 2.5.4 · 2.5.3 · 2.5.2 · 2.5.1 · 2.5.0
Gem list for Ruby: 2.4.10 · 2.4.9 · 2.4.8 · 2.4.7 · 2.4.6 · 2.4.5 · 2.4.4 · 2.4.3 · 2.4.2 · 2.4.1 · 2.4.0
Gem list for Ruby: 2.3.8 · 2.3.7 · 2.3.6 · 2.3.5 · 2.3.4 · 2.3.3 · 2.3.2 · 2.3.1 · 2.3.0
Gem list for Ruby: 2.2.10 · 2.2.9 · 2.2.8 · 2.2.7 · 2.2.6 · 2.2.5 · 2.2.4 · 2.2.3 · 2.2.2 · 2.2.1 · 2.2.0
Compare versions: Main Rubies · Supported Rubies · All Rubies · 3.4 · 3.3 · 3.2 · 3.1 · 3.0 · 2.7 · 2.6 · 2.5 · 2.4 · 2.3 · 2.2
Gemified in: 4.0 - 3.4 - 3.3 - 3.2 · 3.1 · 3.0 · 2.7 · 2.6 · 2.5 · 2.4 · 2.3 · 2.2
List of Non-Gem Default Libraries
List of Unmaintained Default Gems
List of Removed Standard Gems