Cache utilities.

Decorators on top of your ORM layer.

Cache utilities.

Cache utilities.

Cache utilities.

Cache utilities.

Migrations and model helpers for creating and managing PostgreSQL 10 partitions

Rails performance tests (removed from core in Rails 4.0)

Cache utilities.

Cache utilities.

Cache utilities.

Cache utilities.

Useful tools to help construct database queries with ActiveRecord and Arel.

Active Record (~>3.2) plugin which allows you to hide and restore records without actually deleting them. Check its GitHub page for more in-depth information.

SchemaPlus is a gem that simply pulls in a collection of other gems from the SchemaPlus family of ActiveRecord extensions

Search analytics made easy

Lightweight state machine extracted from ActiveModel

Make it easy to upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates merge functions for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.

ActiveRecord::Store but with type definition

ActiveRecord adapter for ClickHouse