Capybara aims to simplify the process of integration testing Rack applications, such as Rails, Sinatra or Merb. It is inspired by and aims to replace Webrat as a DSL for interacting with a webapplication. It is agnostic about the driver running your tests and currently comes bundled with rack-test, Culerity, Celerity and Selenium support built in.

A thin and fast web server

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 on https://github.com/newrelic/newrelic-ruby-agent/

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

Provides a better error page for Rails and other Rack apps. Includes source code inspection, a live REPL and local/instance variable inspection for all stack frames.

A rack middleware for throttling and blocking abusive requests

Automatic Rails code style checking tool. A RuboCop extension focused on enforcing Rails best practices and coding conventions.

WebFont Loader gives you added control when using linked fonts via `@font-face`. It provides a common interface to loading fonts regardless of the source, then adds a standard set of events you may use to control the loading experience.

OAuth Core Ruby implementation

Roo can access the contents of various spreadsheet files. It can handle * OpenOffice * Excelx * LibreOffice * CSV

Heavy metal SOAP client

A Rack app that provides request/response rewriting proxy capabilities with streaming.

The official library for communicating with the Twilio REST API, building TwiML, and generating Twilio JWT Capability Tokens

Profiling toolkit for Rack applications with Rails integration. Client Side profiling, DB profiling and Server profiling.

A modern web server and application server for Ruby, Python and Node.js, optimized for performance, low memory usage and ease of use.

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail.

Enables to set jobs to be run in specified time (using CRON notation or natural language)

Ruby bindings for the Apache Thrift RPC system

Common interface for Ruby's HTTP libraries

Feature flag UI for the Flipper gem