Rails way to harness the power of SQL "EXISTS" statement

MySQL index hint support for ActiveRecord

It is the library to reconnect automatically when ActiveRecord is disconnected from MySQL.

Integrate PostgreSQL's enumerated types with the Rails enum feature

*Atomic archiving/unarchiving for ActiveRecord-based apps* We had the problem that acts_as_paranoid and similar plugins/gems always work on a record by record basis and made it very difficult to restore records atomically (or archive them, for that matter). Because the archive and unarchive met...

GraphQL client on Rails + Convention over Configuration = ❤️

Easy Parallel Executing using Celluloid

gem for adding DKIM signatures to email messages

Fluentd filter output plugin to anonymize records with HMAC of MD5/SHA1/SHA256/SHA384/SHA512 algorithms. This data masking plugin protects privacy data such as UserID, Email, Phone number, IPv4/IPv6 address and so on.

Fluentd plugin to rewrite tags/values along with pattern matching and re-emit them.

For WebHDFS and HttpFs of Hadoop HDFS

Process GitHub Webhooks in your Rails app (Controller mixin)

A Ruby library to compute distance of dates in words. Originally built for Jekyll, as a Liquid extension. It also supports localization and futures.

This is a gem for Rails with Semantic UI assets inside.

Automatic detecting missing I18n translations tool.

ActiveModel + Redis

Store nested hashes and other types in ActiveRecord hstores

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Organize ActiveRecord model into a tree structure using PostgreSQL LTree

A lightweight cron scheduler for the Que async job worker