Selenium implements the W3C WebDriver protocol to automate popular browsers. It aims to mimic the behaviour of a real user as it interacts with the application's HTML. It's primarily intended for web application testing, but any web-based task can automated.

A Ruby parser written in pure Ruby.

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

A library for working with Abstract Syntax Trees.

Capybara is an integration testing tool for rack based web applications. It simulates how a user would interact with a website

MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. But unlike JSON, it is very fast and small.

Signet is an OAuth 1.0 / OAuth 2.0 implementation.

Ruby Sass is deprecated! See https://sass-lang.com/ruby-sass for details. Sass makes CSS fun again. Sass is an extension of CSS, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command...

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.

Hashdiff is a diff lib to compute the smallest difference between two hashes.

A plain-Ruby implementation of GraphQL.

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

XPath is a Ruby DSL for generating XPath expressions

This library is deprecated, and will no longer receive updates. Please use google-cloud-web_risk instead.

grafeas-client is the official library for the Grafeas API.

Object oriented authorization for Rails applications

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

New Relic is a performance management system, developed by New Relic, Inc (http://www.newrelic.com). New Relic provides you with deep information about the performance of your web application as it runs in production. The New Relic Ruby agent is dual-purposed as a either a Gem or plugin, hosted ...

[Backported security patched version] A Ruby framework for rapid API development with great conventions.

Ruby API for Elasticsearch. See the `elasticsearch` gem for full integration.