Tools to build your double entry financial ledger

Add binary (not string) UUIDs to ActiveRecord in MySQL

Sequent is a CQRS and event sourcing framework for Ruby.

ThumbsUp provides dead-simple voting capabilities to ActiveRecord models with karma calculation, a la stackoverflow.com.

UNIONs in ActiveRecord! Adds proper union and union_all methods to ActiveRecord::Relation.

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints a...

Easy CLI tool for making non-blocking zero downtime schema changes in PostgreSQL

Extend ActiveRecord pluck to return hash instead of an array. Useful when plucking multiple columns.

Create temporary table-backed ActiveRecord models for use in tests

This version is obsolete, please use the postgres-copy gem

Real PostgreSQL 9.5+ upserts using ON CONFLICT for ActiveRecord

Data analysis and OSINT framework for Twitter

Add a blog to your Rails application in minutes with this mountable Rails Engine

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

This gem allows you to easily dump and transform subset of your ActiveRecord models and their relations.

This gem allows you to easily dump and transform subset of your ActiveRecord models and their relations.

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

Port of the Rails plugin "geokit-rails" to Rails 3, as a gem

mail_room will proxy email (gmail) from IMAP to a delivery method

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