Multi-tenancy framework. Out of the box, supports Postgres schemas and per-tenant databases

Performify helps you to define your app logic in separated and isolated service classes that is easy to use, test and maitain.

Support functions for ActiveRecord models with periodic entries

Permisi provides a way of dynamically declaring user rights (a.k.a. permissions) using a simple role-based access control scheme. A user may be associated to multiple roles with a different set of permissions in each role. The roles and user-roles association can be dynamically defined and changed on runtime.

Creates a Histogram fron an ActiveRecord query

Queues system for AR/Rails based on PgQ Skytools for PostgreSQL, like Resque on Redis. Rails 2.3 and 3 compatible.

Console utility for gracefully rebuild indexes/pkeys for PostgreSQL, with minimal locking in semi-auto mode.

Read a dynamic database.yml file and allow you to drop/create the database on demand.

Sends messages to kafka using different formats and strategies

Encapsulates the composed of pattern for phone numbers into any easy to use library.

Pipeline is a Rails plugin/gem to run asynchronous processes in a configurable pipeline.

We want to play music at our office. Everyone has their own library on their own machines, and everyone except for me plays shitty music. Play is designed to make office music more palatable.

Polo travels through your database and creates sample snapshots so you can work with real world data in development.

Adds helpers to migrations and dumps check constraints to schema.rb

Uses Postgres's powerful COPY command to upsert large sets of data into ActiveRecord tables

Adds support for CTEs for PostgreSQL and ActiveRecord

Generates attr_accessors that encrypt and decrypt attributes transparently

Ruby/Rails DSL for Prediction.io, an open source machine learning server.

Predictive loader

Great for storing user preferences