Simple file-based key-value store with String keys and values

https://github.com/ruby/sdbm

Interface for secure random number generator

https://github.com/ruby/securerandom

Framework to implement robust multiprocess servers

https://github.com/treasure-data/serverengine

Setup signal handler which dumps backtrace of running threads

https://github.com/fluent/sigdump

Builds and verifies OAuth headers

https://github.com/laserlemon/simple_oauth

Redirects any TCP connection through a SOCKS5 proxy

https://astro.github.io/socksify-ruby/ https://github.com/astro/socksify-ruby

Rails application preloader

https://github.com/rails/spring

Ruby library that preprocesses and concatenates JavaScript files

https://github.com/rails/sprockets

Ruby interface to the SQLite DB engine version 3

https://github.com/sparklemotion/sqlite3-ruby

Ruby interface to the SQLite DB engine version 3

https://github.com/sparklemotion/sqlite3-ruby

Ruby interface to the SQLite DB engine version 3

https://github.com/sparklemotion/sqlite3-ruby

Pseudo IO class from/to String

https://github.com/ruby/stringio

Fast strptime engine

https://github.com/nurse/strptime

Consistent spreading for server balancing

https://github.com/mailru/sumbur-ruby

SVG optimization based on Node's SVGO

https://github.com/fnando/svg_optimizer

Create SVG sprites using SVG links

https://github.com/fnando/svg_sprite

Ruby utilities for exporting SVN repo to git

https://github.com/nirvdrum/svn2git

Emoji character information and metadata

https://gitlab.com/gitlab-org/tanuki_emoji

Calculates the differences between two tree-like structures

https://github.com/postmodern/tdiff

Scripting framework that replaces rake, sake, and rubigen

https://github.com/rails/thor

Thread-safe collections and utilities for Ruby

https://github.com/ruby-concurrency/thread_safe

Fast date/time parser with customisable formats, timezone and I18n support

https://github.com/adzap/timeliness

Auto-terminate potentially long-running operations in Ruby

https://github.com/ruby/timeout

Ruby interface to TclTk-8.6

https://github.com/ruby/tk

Friendly MySQL-compatible library for Ruby, binding to libtrilogy

https://github.com/trilogy-libraries/trilogy/tree/main/contrib/ruby

Turbolinks JavaScript assets

https://github.com/turbolinks/turbolinks-source-gem

Daylight-savings aware timezone support for Ruby

https://tzinfo.github.io/

IANA Time Zone database for TZInfo

https://tzinfo.github.io/ https://github.com/tzinfo/tzinfo-data

Daylight-savings aware timezone support for Ruby

https://tzinfo.github.io/

Library for handling registration and authentication of U2F devices

https://github.com/castle/ruby-u2f

Ruby wrapper for UglifyJS JavaScript compressor

https://github.com/lautis/uglifier

Xlib ruby toolkit

https://rubygems.org/gems/uh

Wrapper library to bring Unicode Normalization Form support

https://github.com/knu/ruby-unf

Provide classes to handle Uniform Resource Identifiers

https://github.com/ruby/uri

Provide classes to handle Uniform Resource Identifiers

https://github.com/ruby/uri

Support for parsing Redis URIs like redis://host:port/dbindex

https://github.com/delano/uri-valkey

Templating system for URIs

https://github.com/hannesg/uri_template

Standalone, generic object validator for ruby

https://github.com/zombor/Validator

Library for adding database/object validations

http://validatable.rubyforge.org/

HTTP server toolkit

https://github.com/ruby/webrick

Ruby whois library

https://whoisrb.org/ https://github.com/weppos/whois

Ruby standard library package 'xmlrpc'

https://github.com/ruby/xmlrpc

Streaming JSON parsing and encoding library for Ruby

https://github.com/brianmario/yajl-ruby

Ruby Unit Testing Utility

https://github.com/seattlerb/zentest

Fast program launch menu for X Window System

http://www.boomerangsworld.de/cms/tools/runner.html

Restricted User SHell, providing limited remote access to resources

https://puszcza.gnu.org.ua/software/rush/

Language with a focus on memory safety and concurrency

https://www.rust-lang.org/

Experimental Rust compiler front-end for IDEs

https://rust-analyzer.github.io/

Language with a focus on memory safety and concurrency (FreeBSD version)

https://www.rust-lang.org/

Generate Rust bindings from C (and some C++) code

https://github.com/rust-lang/rust-bindgen