Unobtrusive nested forms handling, using jQuery. Use this and discover cocoon-heaven.

Attach comments to your ActiveRecord queries.

Strategies for cleaning databases using ActiveRecord. Can be used to ensure a clean state for testing.

Library for validating urls in Rails.

XML serialization for your Active Model objects and Active Record models - extracted from Rails

Rails REST API documentation tool

Shrine is a toolkit for file attachments in Ruby applications. It supports uploading, downloading, processing and deleting IO objects, backed by various storage engines. It uses efficient streaming for low memory usage. Shrine comes with a high-level interface for attaching uploaded files to dat...

Use the GraphiQL IDE for GraphQL with Ruby on Rails. This gem includes an engine, a controller and a view for integrating GraphiQL with your app.

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

This gem allows you to use sharded databases with ActiveRecord. This also provides a interface for replication and for running migrations with multiples shards.

A simple, fast, memory-efficient and threadsafe implementation of GetText

This gem is used to get quickly started with the Shopify API

Seed Fu is an attempt to once and for all solve the problem of inserting and maintaining seed data in a database. It uses a variety of techniques gathered from various places around the web and combines them to create what is hopefully the most robust seed data system around.

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord

BOSH CLI plugin for Micro BOSH deployment

BOSH Director

BOSH Registry

A fully featured and advanced HTML5 WYSIWYG editor written in CoffeeScript on top of the Rails 3.1 asset stack

Adds support for creating state machines for attributes on ActiveRecord

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