Amazon Redshift _makeshift_ adapter for ActiveRecord 4.

Adds missing native PostgreSQL data types to ActiveRecord and convenient querying extensions for ActiveRecord and Arel

A lightweight cron scheduler for the Que async job worker

Adds the ability to pull random records from ActiveRecord

A modern fast tagging framework for Rails 3.1+

This gem makes Rails console sessions less dangerous in specified environments by warning, color-coding, auto-sandboxing, and allowing read-only external connections (disables job queueing, non-GET requests, etc.)

Use production statistics for realistic SQL query analysis. Finds code that may take down production, including missing indexes, overly broad indexes, and queries that return too much data.

Testcontainers makes it easy to create and clean up container-based dependencies for automated tests.

Introspects your database string field maximum lengths and automatically defines length validations.

Recursively traverse trees using a single SQL query

This gem enables your model to query the database using the earthdistance extension. This should be much faster than using trigonometry functions over standart indexs.

Rescue from MySQL and Sqlite duplicate errors

With Amountable, you can easily attach, organize and sum Ruby money fields to your models without migrating.

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

An opinionated web framework build on web standards

integrated library system

Tracking exceptions for Rails application store them in database by exception_notification gem.

Another business actions architecture for Rails apps

hydra_attribute is an implementation of EAV pattern for ActiveRecord models.

Adds recurring jobs for Sidekiq