SQL queries counter for Rails apps

CSS flipper for right-to-left processing. A Ruby port of https://github.com/ded/r2

Create web app APIs that respond to one or more formats using an elegant DSL.

Add RateLimit headers for Rack::Attack throttling

rack-ecg allows you to serve a page that shows you facts about your deployed app to allow you to check that everything is running as it should: git revision, database migrations, and more

This is a simple lightweight way to expose work-in-progress functionality to developers, testers or other internal users.

A Rack JSONP middleware

Detect and show a maintenance page

A Rack handler for the Mongrel2 web server, by Zed Shaw. http://mongrel2.org/

Rack::Robustness provides you with an easy way to handle errors in your stack, for making web applications more robust.

Rack middleware for serving RPC endpoints.

Upload files securely

This Rack middleware records incoming Rack request and responses in a VCR compatible format.

Browse documentation generated by the rspec_api_documentation gem

Page Attachments adds support for file uploads realized as attachments to individual pages. Attachments can have an order via acts_as_list, a title, a description and various metadata fields as provided by AttachmentFu.

A fast HTTP / Websocket Server with built-in Pub/Sub support (with or without Redis), static file support and many other features, optimized for Ruby MRI on Linux / BSD / macOS / Windows

Logs callbacks to help with debugging.

Like Rails Engines, but without the friction. Your Rails app can't access them, and they can't access each other.

A rails engine adding an interface for translating and writing translation files. Works with rails 3 and 4.

This gems allows you to easily create extra databases to your rails application, and freely allocate ActiveRecord instances to any of the databases. It also provides rake tasks and migrations to help you manage the schema by shard groups.