Cards are wiki-inspired data atoms.Card "Sharks" use links, nests, types, patterned names, queries, views, events, and rules to create rich structures.

CarrierWave storage for Dropbox

A lightweight and database-level library to transform any Active Record query into analytics data ready for any chart

ActiveRecord plugin designed to allow simple multiple table (class) inheritance.

A simple API for creating and finding sets of data in your database, built on ActiveRecord.

Deploy smart, not hard.

Replace emojis as to not blow up utf8 MySQL

Flexible configuration for Ruby/Rails applications with a variety of backends

Graph functionality for ActiveRecord

Instruments for Factory Girl

Factories via fixtures

FixtureKit provides lightning-fast test setup by caching database records. Define fixtures using any tool (FactoryBot, raw ActiveRecord, etc.), and FixtureKit caches the SQL to replay in subsequent test runs.

Token auth for grape apps

GraphQL cursor-based stable pagination to work with Active Record relations

Guard::Migrate automatically runs your database migrations when needed

Simple way to manage feature rollout / flipping

Ignore problematic column names (like 'attributes' or 'class') in ActiveRecord models for legacy database schemas

Typical paranoid gem built for Rails 4 and with the minimum code needed to satisfy acts_as_paranoid's API

A Rails engine to durably deliver schematized events to Amazon Kinesis via DelayedJob.

kakurenbo-puti provides an ActiveRecord-friendly soft-delete gem. This gem does not override methods of ActiveRecord. I think that kakurenbo-puti is cho-iketeru! (very cool!)