Microscope adds useful scopes targeting ActiveRecord boolean and datetime attributes.

Low-tech search for ActiveRecord with MySQL or PostgreSQL

MySQL 5.6 adds a `LOCK=NONE` option to make sure migrations are done with no locking. Let's use it.

Octoball provides Octopus-like database sharding helper methods for ActiveRecord 6.1 or later, using Rails' native horizontal sharding handling. This provides migration path to Rails 6.1+ for applications using Octopus gem with older Rails.

once-ler supercharges your let's and before's with the performance of before(:all)

Migrations

OvirtMetrics is an ActiveRecord-based gem for reading the oVirt History database.

locale-specific attachments with paperclip and globalize

Allow Paperclip attachments to be stored on FTP servers

Human Readable Change Log for Paper Trail'd data

A Solar Hijri (Jalali) date library for Ruby, whitch provides much of Ruby's built-in date class

Pecorino allows you to define throttles and rate meters for your metered resources, all through your standard DB

Generate permalink attributes on ActiveModel/ActiveRecord

ActiveRecord extension for querying hstore and jsonb.

ActiveRecord extensions for PostgreSQL. Provides useful tools for schema, foreign_key, index, function, trigger, comment and extension manipulations in migrations.

Sequences need some love. pg_sequencer teaches Rails what sequences are, and will dump them to schema.rb, and also lets you create/drop sequences in migrations.

Sequences need some love. pg_sequencer teaches Rails what sequences are, and will dump them to schema.rb, and also lets you create/drop sequences in migrations.

Intelligent caching, no observers necessary

This gem is an ActiveRecord extension which provides a convenient interface for managing per row properties.

A simple interface over several background job libraries like Resque, Sidekiq and DelayedJob.