A modest JavaScript framework for the HTML you already have.

Easy activity tracking for your ActiveRecord models. Provides Activity model with details about actions performed by your users, like adding comments, responding etc.

Use ESM with importmap to manage modern JavaScript in Rails without transpiling or bundling.

An Action Dispatch session store backed by an Active Record class.

Cucumber Generator and Runtime for Rails

A fully featured and advanced HTML5 WYSIWYG editor written in CoffeeScript on top of the Rails asset pipeline

Gives letter_opener an interface for browsing sent emails

This gem wraps the blueimp JavaScript Templates library as a Rails asset gem. The library is by Sebastian Tschan, and the gem is packaged by Mike Virata-Stone.

Tame Rails' multi-line logging into a single line per request

Rake tasks to migrate data alongside schema changes.

BestInPlace is a jQuery script and a Rails helper that provide the method best_in_place to display any object field easily editable for the user by just clicking on it. It supports input data, text data, boolean data and custom dropdown data. It works with RESTful controllers.

Provides the generator settings required for Rails to use Slim

Database-backed Active Job backend.

Use Vite in Rails and bring joy to your JavaScript experience

Wicked is a Rails engine for producing easy wizard controllers

A multithreaded, Postgres-based ActiveJob backend for Ruby on Rails

The push notification service for Ruby.

This gem provides Switchery driver for your Rails application

google-cloud-debugger is the official library for Stackdriver Debugger.

Rails observer (removed from core in Rails 4.0)