Lightweight Ruby gem that reports exceptions to an Oopsie instance. Includes Rack middleware for automatic capture and a manual reporting API.

Rack Middleware Health Check

Asset Pipeline for classy Sinatra (and/or Rack) apps

Tool for staticly caching Ruby web applications (based on Rack::Staticifier)

Rack Middleware for adding query string cache busting signatures on script and style assets

Modified version of Rack::Session::Redis to support Redis 4.6.0 and 5.0.0

A Ruby time series stats repository written in C, using flat file storage, providing a Ruby API as well as a Rack compatible REST API.

Simple configurable application healthcheck rack middleware.

Rack Server API

Test S3 integration locally. Originally created by Curtis Spencer, modified by Mario Visic at Envato.

Rack middleware that writes the serial number of issued certs to a Redis database. Uses r509 and r509-ca-http

Upload files to Rackspace Cloud or Amazon S3 by URL or file with automatic image resizing.

S3Config adopts Heroku-style config management for any Rails application using AWS S3 to store, and Rack middleware to inject environment variables.

Pubsubstub can be added to a rack Application or deployed standalone. It uses Redis to do the Pub/Sub

Pup is a rack based ruby web framework for developing web applications with ease

A doorman for your Rack application. Checks if REMOTE_USER matches the subdomain. Requires some authentication means to set REMOTE_USER.

Pistachio provides a simple HTTP long polling middleware for Rack which is backed by the Stash gem

Pinion is a Rack application that you can use to compile and serve assets (such as Javascript and CSS).

Inspired by Rackspace permission management system.

LimitedSessions provides two core features to handle cookie-based session expiry: 1) Rack Middleware for most session stores and 2) an ActiveRecord extension for AR-based session stores. Sessions can be expired on inactivity and/or overall session length. Works with and without Rails.