Pretty quantifiable measurements which feel like ActiveSupport::Duration.

Quantity provides first-class quantities, units, and base quantities in pure ruby. Things like 1.meter / 1.second == 1 meter/second.

Rapid7 Insight Platform Ruby library for logging

Create web app APIs that respond to one or more formats using an elegant DSL.

Add RateLimit headers for Rack::Attack throttling

A rack middleware for throttling and filtering requests

Rack::Brotli enables Google's Brotli compression on HTTP responses

Racker allows for hierarchical template definitions for Packer.

This is a simple lightweight way to expose work-in-progress functionality to developers, testers or other internal users.

Provides a policy for frozen rack middleware.

Rack middleware for enabling problematic web browsers (Internet Explorer and Safari) to use same cookies in iframes as in parent windows.

A Rack JSONP middleware

Detect and show a maintenance page

Rack::Robustness provides you with an easy way to handle errors in your stack, for making web applications more robust.

Rack::URISanitizer is a Rack middleware which cleans up trailing % characters in request URI.

This Rack middleware records incoming Rack request and responses in a VCR compatible format.

Rack-based console inside your web applications, using pry

Browse documentation generated by the rspec_api_documentation gem

Client for accessing the Hive/Steem blockchain.

A fast HTTP / Websocket Server with built-in Pub/Sub support (with or without Redis), static file support and many other features, optimized for Ruby MRI on Linux / BSD / macOS / Windows