theme_park is a flexible multiple theme plugin for rails3, sinatra, and more...it's rack based

An in-development web framework using Rack.

Rack middleware that filters out the browsers your app doesn't support.

Restricts your Rails app to only provide requests during business hours using a Rack middleware

Minimum rack middleware for coverage

Generate your own shiny OpenAPI 3.0.0 documentation from Rspec request specs

HttpBL is a Rack middleware filter that blocks requests from suspicious IP addresses.

Provides object geocoding (by street or IP address), reverse geocoding (coordinates to street address), distance queries for ActiveRecord and Mongoid, result caching, and more. Designed for Rails but works with Sinatra and other Rack frameworks too. (clone of Geocode for older rails/ruby versions)

Small web framework running on top of rack.

Framework-agnostic Rack middleware that normalizes forwarded tokens, enforces trust boundaries, and checks header/claims consistency before verikloak.

This gem is almost a straight copy and paste of https://github.com/rswag/rswag/tree/master/rswag-specs with the Rails specific code stripped out so it can be used in Rack applications that don't use Rails.

kcar features an HTTP parser that will convert a bytestream into a 3-element array suitable for use as a Rack response. It is IO interface agnostic, so it may be used with HTTP streams over Unix domain sockets, regular files, FIFOs, StringIOs as well as traditional TCP sockets.

Rack middleware for replacing the word awesome with synonyms.

Minimalist API documentation generator for Rack applications.

Backup is a Ruby Gem written for Unix and Ruby on Rails (2 and 3) environments. It can be used both with and without the Ruby on Rails framework! This gem offers a quick and simple solution to backing up databases such as MySQL/PostgreSQL/SQLite and Files/Folders. All backups can be transferr...

evhttp wrapper and Rack interface

RackTest driver for Capybara, but with remote request support thanks to mechanize