Standard Gems 2.5.7

Default Gems

Default Gem	2.5.7	2.5.6	Description	Resources
bigdecimal c	1.3.4	1.3.4	Support for arbitrary-precision floating point decimal arithmetic	RubyGems · GitHub · RDoc
cmath	1.0.0	1.0.0	Trigonometric and transcendental functions for complex numbers	RubyGems · GitHub · RDoc
csv	1.0.0	1.0.0	Support for CSV (Comma-separated Values)	RubyGems · GitHub · RDoc
date c	1.0.0	1.0.0	The Date and DateTime classes	RubyGems · GitHub · RDoc (1) · RDoc (2) · CRuby · JRuby (1) · JRuby (2) · JRuby (3)
dbm c	1.0.0	1.0.0	Support for DBM databases	RubyGems · GitHub · RDoc
etc c	1.0.0	1.0.0	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	1.0.2	1.0.2	Utilities for working with the file system, such as copying, moving, or deleting files	RubyGems · GitHub · RDoc · CRuby · JRuby (1)
gdbm c	2.0.0	2.0.0	Support for GDBM databases	RubyGems · GitHub · RDoc
io-console c	0.4.6	0.4.6	Patches `IO` for simple and portable access to the console	RubyGems · GitHub · RDoc · CRuby
ipaddr	1.2.0	1.2.0	IP address manipulation (IPv4 and IPv6)	RubyGems · GitHub · RDoc · CRuby
json c	2.1.0	2.1.0	Support for JSON (JavaScript Object Notation)	RubyGems · GitHub · RDoc · CRuby
openssl c	2.1.2	2.1.2	Wraps OpenSSL for cryptographic functionality	RubyGems · GitHub · RDoc · CRuby
psych c	3.0.2	3.0.2	Support for YAML (YAML Ain't Markup Language)	RubyGems · GitHub · RDoc · CRuby
rdoc	6.0.1.1	6.0.1.1	Ruby documentation generator	RubyGems · GitHub · RDoc
rubygems	2.7.6.2	2.7.6.2	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)
scanf	1.0.0	1.0.0	Pure-Ruby scanf implementation	RubyGems · GitHub · RDoc
sdbm c	1.0.0	1.0.0	Support for SDBM databases	RubyGems · GitHub · RDoc
stringio c	0.0.1	0.0.1	Makes strings behave like IO objects	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
strscan c	1.0.0	1.0.0	Lexical string scanning	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
webrick	1.4.2	1.4.2	HTTP Server	RubyGems · GitHub · RDoc
zlib c	1.0.0	1.0.0	Interface to the zlib compression library	RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)

Bundled Gems

Bundled Gem	2.5.7	2.5.6	Description	Resources
did_you_mean	1.2.0	1.2.0	Patches error messages to suggest correct spelling of methods/classes/variables	RubyGems · GitHub · RDoc
minitest	5.10.3	5.10.3	Test/spec framework, comes with mocking and benchmark capabilities	RubyGems · GitHub · RDoc
net-telnet	0.1.1	0.1.1	Support for Telnet	RubyGems · GitHub · RDoc
power_assert	1.1.1	1.1.1	Debug tool that displays intermediate results of a method chain	RubyGems · GitHub · RDoc
rake	12.3.0	12.3.0	A Ruby task runner, inspired by make	RubyGems · GitHub · RDoc
test-unit	3.2.7	3.2.7	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