Introspects your database string field maximum lengths and automatically defines length validations.

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

Simple gem that extends Rails `request.remote_ip` to default to Cloudflare's `HTTP_CF_CONNECTING_IP` header.

Monitor your jobs

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

*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.

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.

A basic Mandrill delivery method for Rails.

Ruby gem that automatically adds a lock timeout to all Active Record migrations

ActiveModel + Redis

Store nested hashes and other types in ActiveRecord hstores

Organize ActiveRecord model into a tree structure using PostgreSQL LTree