Some basics that your application could benefit from.

This gem implements add_foreign_key and remove_foreign_key for PostgreSQLAdapter.

Under development. Contributors welcome.

Rails 3 engine which provides a hack to avoid RI_ConstraintTrigger Error bug

Support for rails_admin field types UUID and Citext

json_translate tabbed interface and custom field type for rails_admin.

Utilizes the ActiveJob api to provide async callers and receivers without duplicating code.

Rails Common Vulnerability Engine

Translation JIT: You don't need to think about translation in your project until you begin the translation process...

Rails tool for creating a common interface in event notifications.

Write your Postgres triggers directly in your models.

This gem allows you to queue objects through a simple to use interface.

Replicate your ActiveRecord tables to Redshift

Reverse engineer existing databases and generate migrations, models, or scaffolding

Base class for salesforce migrations, activerecord types; deduplication rules aware, and rake tasks to sync schema

Generate automatically scopes in your model (PostgreSQL, SQLite, MySQL, etc...)

Rails simple event sourcing engine.

Translator uses postgres hstore to keep model translations in your database.

Automatically use UUID v7 for all primary keys in Rails applications. Works with PostgreSQL, MySQL (mysql2 & trilogy), and SQLite, zero configuration required.

IPC components for Rails