raindrops is a real-time stats toolkit to show statistics for Rack HTTP servers. It is designed for preforking servers such as unicorn, but should support any Rack HTTP server on platforms supporting POSIX shared memory. It may also be used as a generic scoreboard for sharing atomic counters across multiple processes.

WebDriver is a tool for writing automated tests of websites. It aims to mimic the behaviour of a real user, and as such interacts with the HTML of the application.

The power of Rake, behind Rack

A typescript web filter for rake-pipeline

Rakuten RMS client.

Test your JavaScript without any framework dependencies, in any environment, and with a nice descriptive syntax.

Test your JavaScript without any framework dependencies, in any environment, and with a nice descriptive syntax.

rambo is an alternative web framework for ruby

Rack authentication middleware

Rack authentication middleware

Ramverk is a web application framework written in Ruby.

Single-site tracking library for the Rangefinder web analytics app

Generates REST API documentation.

A minimal web framework to get your web project up and running in seconds.

RapiTapir is a Ruby library inspired by Scala's Tapir for building type-safe HTTP APIs. It provides declarative endpoint definitions, automatic OpenAPI documentation generation, client code generation, and seamless integration with Sinatra, Rails, and Rack applications.

Rack middleware to convert SVGs to raster images

Web blocks to build robust applications

A rack middleware for ratelimiting and tracking feature utilization

A collection of useful data about NANPA Rate Centers.

Rat Hole is a handy library for creating a rack compliant http proxy that allows you to modify the request from the user and the response from the server.