stdgems

Standard Gems 3.0.0

Also see: Gems introduced and removed in Ruby 3.0

Default Gems

Default Gem 3.0.0 2.7.8 Description Resources
abbrev 0.1.0 - Finds the shortest unique abbreviation amongst many strings RubyGems · GitHub · RDoc · CRuby
base64 0.1.0 - Encodes and decodes strings to a Base64 representation. Implemented as a small wrapper around String#unpack RubyGems · GitHub · RDoc · CRuby
benchmark 0.1.1 0.1.0 Benchmark utility: Measures and reports the time used to execute code RubyGems · GitHub · RDoc · CRuby
bigdecimal c 3.0.0 2.0.0 Support for arbitrary-precision floating point decimal arithmetic RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2) · JRuby (3)
bundler 2.2.3 2.1.4 Bundler is the local package manager for Ruby applications RubyGems · GitHub · RDoc · CRuby
cgi c 0.2.0 0.1.0.2 Support for CGI (Common Gateway Interface) RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · CRuby (3) · JRuby (1)
csv 3.1.9 3.1.2 Support for CSV (Comma-separated Values) RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
date c 3.1.0 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
debug 0.1.0 - Command-line debugger RDoc
delegate 0.2.0 0.1.0 Provides three ways to delegate method calls RubyGems · GitHub · RDoc · CRuby
did_you_mean 1.5.0 1.4.0 Patches error messages to suggest correct spelling of methods/classes/variables RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
digest c 3.0.0 - Provides common hash functions like MD5, SHA1, SHA2, or RIPEMD-160 RubyGems · GitHub · RDoc · CRuby · JRuby (1)
drb 2.0.4 - Distributed object system for Ruby RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
english 0.7.1 - Readable aliases for special global variables RubyGems · GitHub · RDoc · CRuby · JRuby
erb 2.2.0 - Templating engine for Ruby RubyGems · GitHub · RDoc · CRuby
etc c 1.2.0 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 1.0.6 1.0.0 Support for FFI (Foreign Function Interface) RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
fileutils 1.5.0 1.4.1 Utilities for working with the file system, such as copying, moving, or deleting files RubyGems · GitHub · RDoc · CRuby · JRuby (1)
find 0.1.0 - Finds all files in a given directory and its sub-directories RubyGems · GitHub · RDoc · CRuby
forwardable 1.3.2 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 0.1.1 0.1.0 GNU getopt_long() style command-line option parsing RubyGems · GitHub · RDoc · CRuby
io-console c 0.5.6 0.5.6 Patches IO for simple and portable access to the console RubyGems · GitHub · RDoc · CRuby
io-nonblock c 0.1.0 - Allows to work with IO streams in a non-blocking way RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
io-wait c 0.1.0 - Adds methods to wait until an IO stream becomes readable or writable RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
ipaddr 1.2.2 1.2.2 IP address manipulation (IPv4 and IPv6) RubyGems · GitHub · RDoc · CRuby
irb 1.3.0 1.2.6 Interactive Ruby Console (REPL) RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
json c 2.5.1 2.3.0 Support for JSON (JavaScript Object Notation) RubyGems · GitHub · RDoc · CRuby
logger 1.4.3 1.4.2 Logging utility RubyGems · GitHub · RDoc · CRuby
matrix 0.3.1 0.2.0 Support for matrices RubyGems · GitHub · RDoc
mutex_m 0.1.1 0.1.0 A mixin that makes any object behave like a mutex RubyGems · GitHub · RDoc · CRuby
net-ftp 0.1.1 - Support for FTP (File Transfer Protocol) RubyGems · GitHub · RDoc
net-http 0.1.1 - Support for HTTP (Hypertext Transfer Protocol) RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · CRuby (3) · JRuby (1) · JRuby (2) · JRuby (3)
net-imap 0.1.1 - Support for IMAP (Internet Message Access Protocol) RubyGems · GitHub · RDoc
net-pop 0.1.1 0.1.0 Support for POP3 (Post Office Protocol) RubyGems · GitHub · RDoc
net-protocol 0.1.0 - Internal class for the other net-* libraries RubyGems · GitHub · RDoc · CRuby · JRuby
net-smtp 0.2.1 0.1.0 Support for SMTP (Simple Mail Transfer Protocol) RubyGems · GitHub · RDoc
nkf c 0.1.0 - Kanji encoding converter. Can also be used via the Kconv.kconv method. RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
observer 0.1.1 0.1.0 Implementation of the observer pattern, a way to let interested other objects know o an objetc's updates RubyGems · GitHub · RDoc · CRuby
open3 0.1.1 0.1.0 Simple spawning of child processes RubyGems · GitHub · RDoc · CRuby · JRuby
openssl c 2.2.0 2.1.4 Wraps OpenSSL for cryptographic functionality RubyGems · GitHub · RDoc · CRuby
open-uri 0.1.0 - Monkeypatches Kernel#open to support remote endpoints via net/http and net/ftp RubyGems · GitHub · RDoc · CRuby
optparse 0.1.0 - Command-line option parser RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · CRuby (3)
ostruct 0.3.1 0.2.0 Wrapper around Hash which lets you read and set attributes with a method-based API RubyGems · GitHub · RDoc · CRuby
pathname c 0.1.0 - Wraps File, FileTest, Dir, and FileUtils to ease working with file system paths RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
pp 0.1.0 - The pp print debugging helper via require 'pp'. It will format the result object in more readable way. RubyGems · GitHub · RDoc · CRuby · JRuby
prettyprint 0.1.0 - Better object formatting and inspection. Also see the pp gem. RubyGems · GitHub · RDoc · CRuby
prime 0.1.2 0.1.1 Access to prime numbers and prime factorization RubyGems · GitHub · RDoc
pstore 0.1.1 0.1.0 Transactional file storage for Ruby objects RubyGems · GitHub · RDoc · CRuby
psych c 3.3.0 3.1.0 Support for YAML (YAML Ain't Markup Language) RubyGems · GitHub · RDoc · CRuby
racc c 1.5.1 - Bindings for Racc, a YACC-like LALR(1) parser generator RubyGems · GitHub · RDoc
rdoc 6.3.0 6.2.1.1 Ruby documentation generator RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
readline 0.0.2 0.0.2 If available, readline-ext will be loaded, or (Ruby-only) default gem reline will be used. RubyGems · GitHub · RDoc · CRuby
readline-ext c 0.1.1 0.1.0 Interface to GNU Readline and NetBSD Editline RubyGems · GitHub · RDoc
reline 0.2.0 0.1.5 Ruby-only implementation of GNU Readline / NetBSD Editline RubyGems · GitHub · RDoc · CRuby
resolv 0.2.0 - Thread-aware DNS resolver RubyGems · GitHub · RDoc · CRuby (1) · JRuby
resolv-replace 0.1.0 - Will replace Socket's DNS with resolv RubyGems · GitHub · RDoc · CRuby (1)
rinda 0.1.0 - Support fot the Linda distributed computing paradigm in drb RubyGems · GitHub · RDoc · CRuby
rubygems 3.2.3 3.1.6 RubyGems allows you to download, install, and use Ruby software packages on your system RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · JRuby (1)
securerandom 0.1.0 - Provides crpytographical randomness from openssl or the OS RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
set 1.0.1 - Data structure for unordered collections without duplicates. Implemented on top of Hash. RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
shellwords 0.1.0 - Escape and manipulate commads to be run in the shell RubyGems · GitHub · RDoc · CRuby
singleton 0.1.1 0.1.0 Mixin for Ruby classes that should only have one instance RubyGems · GitHub · RDoc · CRuby
stringio c 3.0.0 0.1.0 Makes strings behave like IO objects RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
strscan c 3.0.0 1.0.3 Lexical string scanning RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
syslog c 0.1.0 - Interface to the low-level syslog logger RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2) · JRuby (3)
tempfile 0.1.1 - Simplifies OS independent creation of temporary files RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
time 0.1.0 - Adds more methods to Time RubyGems · GitHub · RDoc · CRuby
timeout 0.1.1 0.1.0 Auto-terminates code blocks after the time limit is reached RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
tmpdir 0.1.1 - Adds a Dir.mktmpdir method for creating temporary directories OS independently RubyGems · GitHub · RDoc · CRuby · JRuby
tracer 0.1.1 0.1.0 Outputs the code execution trace via Kernel#set_trace_func RubyGems · GitHub · RDoc
tsort 0.1.0 - Topological sorting using Tarjan’s algorithm, which finds strongly connected components in graphs RubyGems · GitHub · RDoc · CRuby
un 0.1.0 - Utilities to replace common UNIX commands RubyGems · GitHub · RDoc · CRuby
uri 0.10.1 0.10.0.2 URI/URL manipulation RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2) · JRuby (1) · JRuby (2)
weakref 0.1.1 - Explicitly allow objects to be garbage collected RubyGems · GitHub · RDoc · CRuby · JRuby
win32ole c 1.8.8 - Windows OLE automation interface RubyGems · GitHub · RDoc · CRuby · JRuby
yaml 0.1.1 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 3.0.0 2.7.8 Description Resources
minitest 5.14.2 5.13.0 Test/spec framework, comes with mocking and benchmark capabilities RubyGems · GitHub · RDoc
power_assert 1.2.0 1.1.7 Debug tool that displays intermediate results of a method chain RubyGems · GitHub · RDoc
rake 13.0.3 13.0.1 A Ruby task runner, inspired by make RubyGems · GitHub · RDoc
rbs 1.0.0 - Released with Ruby 3.0, RBS is a way to declare types in Ruby. The gem allows parsing and processing type definitions written in RBS. RubyGems · GitHub · RDoc
rexml 3.2.4 - Support for XML (Extensible Markup Language) RubyGems · GitHub · RDoc
rss 0.2.9 - Support for RSS (Rich Site Summary) and Atom RubyGems · GitHub · RDoc
test-unit 3.3.8 3.3.4 A xUnit family unit testing framework (compatibility layer for minitest) RubyGems · GitHub · RDoc
typeprof 0.11.0 - Released with Ruby 3.0, typeprof allows you to automatically generate RBS type annotations RubyGems · GitHub · RDoc

More Standard Gems