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

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 line tool or a web-framework plugin.

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.

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.

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

A plain-Ruby implementation of GraphQL.

XPath is a Ruby DSL for generating XPath expressions

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

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

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.

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

Object oriented authorization for Rails applications

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