Use your SQL database to power instant search for your Rails app with materalized views

sequel-annotate annotates Sequel models with schema information. By default, it includes information on columns, indexes, and foreign key constraints for the current table. On PostgreSQL, this includes more advanced information, including check constraints, triggers, comments, and foreign keys ...

Customizable Slack notification from GitHub

Tusk is a minimal pub / sub system with multiple observer strategies. Tusk builds upon the Observer API from stdlib in order to provide a mostly consistent API for building cross thread or process pub / sub systems. Currently, Tusk supports Redis and PostgreSQL as message bus back ends.

A gem to include all the USDA nutrient data quickly into a ruby project

Allow to track changes of records which done through ActiveAdmin

ActiveAdmin CMS extension

Extends ActiveRecord to support covering indexes in PostgreSQL using the INCLUDE clause.

ActiveRecord extension to allow partitioning ids into regions, for merge replication purposes

PostgreSQL PGCrypto support for ActiveRecord models.

Active Record support for PostgreSQL JSON type

This gem forwards to activerecord's default postgresql adapter

citext support for rails

This gem provides the Rails 3 with database adapter for AWS RedShift.

An Active Record extension for Multitenancy with PostgreSQL Row Level Security

Automatic database view creation for ActiveRecord

Helper to create the google adsense include tag in rails.

An easy to use, framework agnostic, customizable library to easily store and retrieve application configuration.

A library for managing standardized application seed data

Provides an easy way to do something that is possible in Rails but still a bit close to the metal using store_accessor: create typecasted, persistent attributes that are not columns in the database but stored in the JSON "data" column. Also supports infinite nesting of embedded models.