Extract a subset of a relational database for use in development or testing. Provides a simple API to filter rows and preserve referential integrity.

将 Rails 项目的数据库 schema 导出为文档，支持 ruby, sql, csv, excel 格式

Tool for database maintenance.

Have a separate database for each git branch!

The DceLti engine simplifies integrating LTI authentication for Rails apps via the IMS::LTI gem.

DDG is a tool for building and manipulating database dependency graphs (DDG).

Models used in the Duke Digital Repository

Safely rebuilds bloated PostgreSQL indices

A comprehensive forensic deepfake detection toolkit designed for law enforcement, military, and national security applications. Features AI/ML detection algorithms, forensic reporting, and court-admissible evidence generation with high accuracy deepfake detection for video, audio, and image files.

Web interface for DelayedJob

ActiveRecord-based engine for scheduled changes

Default scopes are bad. Don't delete your data.

DeltaForce lets you use Postgres 8.4+ window functions with ActiveRecord

Configure your application to send signals to a constellation of other 'apps'

Denormalize ActiveRecord fields for performance reasons

Tool for better visualizing and managing dependencies

Gem to perform common deployment testing

Rails plugin for saving additional data for model.

Background tasks & Exporting and importing data out of Amazon AWS RedShift

A system manager's toolkit to detect and analyze various database systems like Postgres, MySQL, Redis, etc.