Make your PG migrations safe.

Create temporary table-backed ActiveRecord models for use in tests

Idempotent operations for Rails apps, built on top of ActiveJob.

ActiveWarehouse ETL is a pure Ruby Extract-Transform-Load application for loading data into a database.

Make your model acts as a list. This acts_as extension provides the capabilities for sorting and reordering a number of objects in a list. The class that has this specified needs to have a +position+ column defined as an integer on the mapped database table.

Execute irreversible actions only when transactions are not rolled back

Rails integration for BreezyJS

Easy SQL based report generation with the ability to accept request parameters and render multiple formats.

ActiveWarehouse ETL is a pure Ruby Extract-Transform-Load application for loading data into a database.

Easily create robust, standardized API endpoints using lightning-fast database queries

A good, simple, solid tagging extension for ActiveRecord

An extension for Lograge to log SQL queries

Mongify allows you to map your sql data into a mongodb document database with a simple DSL.

Multiple databases for Rails

A simple framework for building APIs with Grape

Obtain ActiveRecord results with a custom ordering with no need to store anything in the database.

Find next / previous Active Record(s) in one efficient query

Add width, height and size methods to paperclip images

Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4.

Compatible migration file between Rails 4.2 and 5+