Passkit offers you a full Rails engine to serve Wallet Passes for iOS and Android in pkpass format.

An application generator from Platanus

Adds tabbed interface and custom field type for globalize translations to Rails_admin

Rails API Auth is a Rails Engine that implements the "Resource Owner Password Credentials Grant" OAuth 2.0 flow as well as Facebook authentication for API projects.

Rails extension for Cloudflare's Turnstile CAPTCHA alternative. This gem should work with Rails 6.x, 7.x, 8.x and with Faraday 1.x and 2.x.

Rails Plugin for DataMapper

Web interface to manage i18n translations for your apps to facilitate the editors of your translations. Provides a low-tech and complete workflow for importing, translating, and exporting your I18n translation files. Design to allows you to keep the translation files inside your projects git repo...

Rails gem to push notifications for iOS, Android and Windows Phone devices

Record Cache for Rails 3

A gem that provides a Redis based web analytics solution for your rack-compliant apps. It gives you detailed analytics about visitors, unique visitors, browsers, OS, visitor recency, traffic sources and more

Manage your Redis instance (See keys, memory used, connected client, configuration, information)

Nice type and params for temporary JSONAPI support.

Retina Rails makes your application use high-resolution images by default. It automatically optimizes uploaded images (CarrierWave or Paperclip) for retina displays by making them twice the size and reducing the quality.

A simple DSL to generate QuickBooks IIF file

Roles.

This gem is a simple, easy-to-use declarative role-based access control system for Rails

A smart sms verification tool

Mount Swagger UI web console as Rails engine, configure it as you want and write your API documentation in simple YAML files.

A Rails confirm replacement with SweetAlert

Add support to complex resources of PostgreSQL, like data types, array associations, auxiliary statements (CTE), and full-text search (FTS)