XPath is a Ruby DSL for generating XPath expressions

factory_girl provides a framework and DSL for defining and using factories - less error-prone, more explicit, and all-around easier to work with than fixtures.

Daemons provides an easy way to wrap existing ruby scripts (for example a self-written server) to be run as a daemon and to be controlled by simple start/stop/restart commands. You can also call blocks as daemons and control them from the parent or just daemonize the current process. Besides this basic functionality, daemons offers many advanced features like exception backtracing and logging (in case your ruby script crashes) and monitoring and automatic restarting of your processes if they crash.

Easy upload management for ActiveRecord

This gem aims at being a simple and reliable solution for controlling external programs running in the background on any Ruby / OS combination.

Uglifier minifies JavaScript files by wrapping UglifyJS to be accessible in Ruby

Provides a single point of entry for using basic features of ruby ORMs

Ruby integrations for Elasticsearch (client, API, etc.)

Convert directories, rpms, python eggs, rubygems, and more to rpms, debs, solaris packages and more. Win at package management without wasting pointless hours debugging bad rpm specs!

Tame Rails' multi-line logging into a single line per request

The git gem provides an API that can be used to create, read, and manipulate Git repositories by wrapping system calls to the git command line. The API can be used for working with Git in complex interactions including branching and merging, object inspection and manipulation, history, patch generation and more.

Template compilation framework in Ruby

Supervisors, Supervision Groups, and Supervision Trees for Celluloid.

A module for encoding and decoding (X)HTML entities.

Notifications, Internals, Logging, Probe, and essential Celluloid pieces demanding Supervision

Classes to support examples, benchmarks, or add special functionality.

Simple finite state machines with integrated Celluloid timeout support.

An implementation of an actor pool, based on the Celluloid concurrent object framework.

A toolset of small support modules used throughout the dry-rb ecosystem

Terminal screen size detection that works on Linux, macOS and Windows systems and supports Ruby MRI, JRuby, TruffleRuby and Rubinius interpreters.