Version your Rack based API's using headers either through middleware or routing constraints

A utility for consuming, transforming, and routing monitoring data from various sources

A general purpose routing library

DOM-based Routing for Rails controller based javascript.

Handcart is a small gem for routing subdomains and also for IP authorization strategies.

Adds routing constraints to the host application

Slipmate is a web based order fulfillment application that gives you control over advanced order routing and shipping.

Ferryman allows you to de-couple routing logic and providers

A new routing tree router for Ruby

A lightweight, extensible asynchronous event routing framework in Ruby.

This information is usually hard to find. I've included a relatively up-to-date CSV that contains all routing numbers and information for each bank.

Lookup bank names by routing number.

A fancy DSL for Sinatra routing

A ruby gem interface for ArcGIS (platform of Esri) Vehicle Routing Problem service REST API

A light-weight approach for routing users through a pre-determined set of routes.

Call routing for People In Cambodia

Onion routing for the Lightning Network.

Ruby on Rails supports RESTful routing out-of-the-box. However, as you move along, you will often find yourself repeating the code for the seven REST actions: index, show, new, create, edit, update, destroy. This gem allows you to get all of the code for free by simply typing 'include BTech::Rest...

A lightweight, flexible routing system that provides a Rails-like DSL for defining and matching HTTP routes

Rack routing middleware supporting rack apps as actions, and parameterized paths