Ruby library to automatically preload data for your Active Model Serializers

Simply cache whatever you want by using cachers which will help you maintain cached objects and expire them when they are changed. Support Rails 3, 4, 5.

Make ActiveRecord null model aware.

Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora (MySQL-compatible and PostgreSQL-compatible editions). Perfect for small Rails on AWS Lambda.

Make ActiveRecord queries cacheable throughout your apps!

A new way to manage multi-tenant applications based on multiples databases

Opt-in validations for your ActiveRecord models based on your MySQL database constraints, including text field size, UTF-8 encoding issues, and NOT NULL constraints.

Batch up your ActiveRecord "touch" operations for better performance. ActiveRecord::Base.delay_touching do ... end. When "end" is reached, all accumulated "touch" calls will be consolidated into as few database round trips as possible.

This gem automatically logs SQL EXPLAIN of every queries. You can check naturally every SQL EXPLAIN from development log, without manually executions.

An ActiveRecord plugin providing a higher-level abstraction for SQL 'LIKE' queries

ActiveRecord OpenTracing intrumenter

This gem adds comments to the SQL to indicate where the SQL parts are constructed.

This is an ActiveRecord connection adapter for the SpatiaLite extension to the Sqlite3 database. It is based on the stock sqlite3 adapter, but provides built-in support for spatial databases using SpatiaLite. It uses the RGeo library to represent spatial data in Ruby.

Define attributes in arel

An implementation of repository pattern that can connect with any ORM

Wraps the OpenStack Swift/Storage service as an Active Storage service

Sanitize SVG images after ActiveStorage upload

ActsAsFriendable provides a Friendship model, relevent scopes, and many instance methods to quickly and easily add Social Networking functionality to your Rails application.

This is a ruby gem that provides drop in replacement for acts_as_tree but makes use of SQL recursive statement. Be sure to have a DBMS that supports recursive queries when using this gem (e.g. PostgreSQL or SQLite).

ActiveRecord extension that provides revision support so that history can be tracked and changes can be reverted. Emphasis for this plugin versus similar ones is including associations, saving on storage, and extensibility of the model.