Use this gem to access New Relic application information via a REST api

Use ngannotate in the Rails asset pipeline.

Improve perceived performance of your rails application with minimum effort

The official PagSeguro library

Playbook UI is built out in Ruby View Components and React Components. Playbook takes a modern design approach and applies it in a way that makes it easy to support bleeding edge or legacy systems.

Simple PDF generation using the prawn library.

Easily write arbitrary filters

Raif (Ruby AI Framework) is a Rails engine that helps you add AI-powered features to your Rails apps, such as tasks, conversations, and agents. It supports for multiple LLM providers including OpenAI, Anthropic Claude, and AWS Bedrock.

Jcrop plugin for rails admin. Image cropping made easy!

Rails generator which allows to scaffold admin controllers, views with proper (non-namespaced) models, helpers, tests and routes

One more solution to create charts in Ruby on Rails application

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 repository where they should be.

Add any icon library to a Rails app, from Heroicons, to Lucide to Tabler (and others). Rails Icons is library-agnostic, so you can add any library while using the same interface.

Reliable way to generate PDF files of any complexity. Support HTML/ERB/CSS/SCSS/PUG/Javascript/ChartsJS/Images/SVG/Custom Fonts/etc.

Settings is a plugin that makes managing a table of global key, value pairs easy.

React-Router for Rails Asset Pipeline

Record Cache for Rails 3

A Rails engine that adds a piece of middleware to the top of your middleware stack that looks for redirect rules stored in your database and redirects you accordingly.

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

A simple DSL to generate QuickBooks IIF file