kakurenbo-puti provides an ActiveRecord-friendly soft-delete gem. This gem does not override methods of ActiveRecord. I think that kakurenbo-puti is cho-iketeru! (very cool!)

kaminari-grape connects Kaminari and Grape

Ruby client for memcached supporting advanced protocol features and pluggable architecture.

Gives you binaries like mysql2csv, mysql2json, and mysql2xml, and Ruby classes to match.

Rails plugin to set created_by, updated_by, deleted_by to ActiveRecord objects. Supports associations.

Act as Notified is a flexible framework to add notifications to a Rails application

Octoshark is a library for switching between multiple ActiveRecord connections

Octoshark is a library for switching between multiple ActiveRecord connections

Provides automatic deadlock retry and logging functionality for ActiveRecord and MySQL

Pandas wrapper for Ruby

This gem will help you to integrate PostgreSQL RLS to help you develop a great multitenancy application checkout the repository at https://github.com/Dandush03/pg_rls

A faster alternative to the custom use of `in_batches` with `pluck`.

Allows the *_type field in the DB to be an integer rather than a string

Power Enum allows you to treat instances of your ActiveRecord models as though they were an enumeration of values. It allows you to cleanly solve many of the problems that the traditional Rails alternatives handle poorly if at all. It is particularly suitable for scenarios where your Rails application is not the only user of the database, such as when it's used for analytics or reporting.

Build complex SQL queries by defining each subquery separately. Query::Composer will then compose those subqueries together, nesting as needed, to produce the final SQL query.

Failover for ActiveRecord and Redis

Support && Add syntax sugar to #or query method in Rails 3, 4, 5.

A true Bayesian rating system with scope and cache enabled.

RecordWithOperator is a rails plugin that makes your all active record models to be saved or logically deleted with created_by, updated_by, deleted_by automatically. Also it makes creator, updater, deleter association (belongs_to) if the class has created_by, updated_by, deleted_by.

Positionless model sorting for Rails.