An extension to paper_trail, using this you can fetch actual object who was responsible for this change

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

pluto - Another Planet Generator (Lets You Build Web Pages from Published Web Feeds)

A lightweight cron scheduler for the Que async job worker

Debugging toolbar for Rack applications implemented as middleware. Based on logical-insight and rack-bug.

Declaratively filter data via URL params, in any Rack app.

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

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...

Record Cache for Rails 3

Roles.

A smart sms verification tool

Additional Payment Gateways for Solidus

Allows multiple types of relationships between products to be defined

spinach-rails adds Rails support to spinach

Track what product being viewed, what being purchased. Who are consistant buyers etc.

Read from stand-by databases for ActiveRecord

Background search indexing using existing worker systems.

Log Better. Solve Problems Faster. https://timber.io

types_from_serializers helps you by automatically generating TypeScript interfaces for your JSON serializers, allowing you typecheck your frontend code to ship fast and with confidence.

Add support to search through (potentially large) belongs_to associations in your Administrate dashboards.