gem used different libraries to create fake file as fast as these libraries work

Fake service for reqres

Provides a fake Service Bus server that you can run locally to test against

HTTP server mocking tool

A views module for sinatra

Faraday Cage allows you to use Faraday for making requests to your REST APIs in integration testing, minus the boilerplate code and crufty parsing and encoding of requests and responses.

FatSecret Authentication Gem

faultline exception and error notifier for Rack application

Simple pub/sub messaging for the web

Simple pub/sub messaging for the web

A more down to earth, hairy rails twin

cijoe is a sinatra-based continuous integration server. It's like an old rusty pickup truck: it might be smelly and gross, but it gets the job done.

Fewer is a Rack endpoint to bundle and cache assets and help you make fewer HTTP requests. Fewer extracts and combines a list of assets encoded in the URL and serves the response with far-future HTTP caching headers.

A deck of cards, written in Ruby

A tool to create an inventory of a storage medium

pure ruby file sync

Rack-based, Passenger-compatible, with pretty URLs and simple HTTP API for managing content

Provides writing logs into files and filtering secure data for Sinatra based applications.

Handle Fitbit subscription notifications within a Rails or Rack app, and pass them on via ActiveSupport::Notifications.

Server for exposing Flexible APIs