This gem is designed for use by Rails applications running on Heroku. For others, the better approach is to use a frontend server such as nginx or Apache. However, the Heroku Cedar stack is no longer fronted by a file server, and there is no automatic provision for gzipping responses. This gem activates Rack::Deflate for all requests. In addition, we serve up the gzipped versions of our precompiled assets, taking advantage of the higher compression ratio used during precompilation, and reducing CPU load at request time.

The Instana gem is a zero configuration tool that will automatically collect key metrics and distributed traces from your Ruby processes. Just install and go.

Generate API documentation from JSON Schema.

Rack middleware that validates the Keycloak JWT access token carried by every request of a Ruby on Rails API. It verifies the token signature against the realm public keys, exposes the authenticated user, its roles and the custom attributes of the token to the controllers, and lets some routes opt out of authentication.

LedgerSync is a simple library that allows you to sync common objects to popular accounting software like QuickBooks Online, Xero, NetSuite, etc.

Allows arbitrary reporting on your ledger using easy-to-write SQL queries

Lowkiq

Mayu Live is a live updating server side VirtualDOM framework for Ruby, inspired by modern frontend tools that exist in the JavaScript ecosystem.

Add SQL like auto-incrementing fields to your Mongoid documents.

A cross-platform Pact verification tool to validate API Providers. Used in the pact-js-provider project to simplify development

Parse Server Ruby Client. Perform Object-relational mapping between Parse Server and Ruby classes, with authentication, cloud code webhooks, push notifications and more built in.

Graphite dashboard frontend

Web automation DSL on top of webdriver and nokogiri

Rack::Debug is a middleware that provides a simple interface to ruby-debug. Helps debug apps running in Passenger.

Rack::Debug adds a middlerware interface to ruby-debug http://github.com/github/rack-debug

A Rack middleware for providing JSON-P support.

JSON Schema based Rack middlewares

Rack middleware that provides authentication based on JSON Web Tokens.

Rack-P3p is rack middleware for inserting P3P headers into apps. This will allow your application to serve cookies to IE when in an iframe. It will also pull off the cookie on 304 responses, since IE does not like the cookie then.

This is Rack middleware that makes your app compliant with the 'EU ePrivacy Directive'