Add support to complex resources of PostgreSQL, like data types, array associations, and auxiliary statements (CTE)

Rescue from MySQL and Sqlite duplicate errors

Add relational OLAP-like functionality for ActiveRecord

Extension for ActiveRecord that adds support for PostgreSQL array columns, mapping string values to integers.

Redshift-oriented Data Warehouse Batch Framework

integrated library system

https://github.com/tsukasaoishi/fresh_connection

Another business actions architecture for Rails apps

The new de-facto for API testing your Rails application

Adds recurring jobs for Sidekiq

Open-source gems maintenance & maturity tracking

Petri Net Workflow Engine for Ruby.

postgresql hstore parser/deparser - provides PgHstore.dump and PgHstore.load (aka parse)

Load postgres databases into Amazon Redshift. It's designed to work on Heroku Scheduler, or other *nix/BSD hosts.

RailsDbInfo is a Rails engine that quickly shows the database info

A Fresh new GraphQL server for Rails applications, with a focus on natural and Ruby-like DSL

Common libraries for RedmineUP plugins (www.redmineup.com) for Redmine. Required Redmine from http://redmine.org

This plugin provides native PostgreSQL instrumentation for monitoring and metrics collection, including: service health, database connectivity, database locks, replication status, database size, `pg_stat_bgwriter` metrics, and more.

Functions from timescaledb available in the ActiveRecord models.

Manage delta indexes via Delayed Job for Thinking Sphinx