Add schema comments in your migrations, see them in model annotations and db/schema.rb dump

Download, pull out of a ZIP/TAR/GZ/BZ2 archive, parse, correct, and import XLS, ODS, XML, CSV, HTML, etc. into your ActiveRecord models. Uses Upsert internally for speed.

Execute your ActiveRecord migrations with Percona's pt-online-schema-change. Formerly known as Percona Migrator.

Enables your monitoring infrastructure to easily query the status of your app server's health. Provides routes under /up.

Fast fuzzy string matching for rails

A phishing kit collector for scavengers

Provides enhancements to ActiveRecord to handle spatial datatypes in PostgreSQL and MySQL.

Enable enum type for the MySQL Adapter in ActiveRecord

Strategies for cleaning databases using Sequel. Can be used to ensure a clean state for testing.

MySQL adapter for thoughtbot/scenic

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.

It is the library to reconnect automatically when ActiveRecord is disconnected from MySQL.

ActiveRecord sharding extension

Job queue system to run job with Docker

Ferry is a data migration and visualization command line tool rubygem that seeks to simplify the increasingly prevalent big data problems for developers

Adds the ability to pull random records from ActiveRecord

Record Cache for Rails 3

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.)

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

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