Compose, decouple and manage domain logic and data persistence separately. Works particularly great for composing form objects!

Delayed Cron Job is an extension to Delayed::Job that allows you to set cron expressions for your jobs to run regularly.

Stores draft versions of your ActiveRecord models' data in a single table or split up into separate tables. Works with Ruby on Rails and Sinatra.

Copy active record models from remote databases

Functional Reactive Programming with EventSourcing in Ruby

Fast fuzzy string matching for rails

Injects the gentelella theme and javascript files into Rails assets pipeline

This library provides view components for the GOV.UK Design System. It makes creating services more familiar for Ruby on Rails developers.

A Rails engine to provide an endpoint for SendGrid webhooks

Hydra-Head is a Rails Engine containing the core code for a Hydra application. The full hydra stack includes: Blacklight, Fedora, Solr, active-fedora, solrizer, and om

The JitPreloader has the ability to send notifications when N+1 queries occur to help guage how problematic they are for your code base and a way to remove all of the commons explicitly or automatically

Mountain View helps you create reusable visual components on your Rails Application.

Nested scaffold generator for Rails

To have all your data in one place: the database

This provides interfaces to various passive DNS databases to do the query and to normalize the responses. The query tool also allows for recursive queries, using an SQLite3 database to keep state.

Paul Revere provides a model and helper methods to do one-off style announcements.

Admin interface builder

A handy dandy way to avoid using #accepts_nested_attributes_for

Regressor generates regression specs based on ActiveRecord models. Currently relations, validations, attributes, and database indexes are supported.

SCIM Adapter for Rails.