Define very basic, commonly used scopes for ActiveRecord associations. E.g. if a Post model has an author and a category association, scopes will be defined like Post.for(author) or Post.for(category).

A gem that provides helper to achieve association counting without hassle. It provides you readonly data inside your ActiveRecord model without executing n+1 queries!

Generate scope methods to ActiveRecord classes based on columns and associations

Generate a migration file that converts column types all at once.

A scribe logger for writing to Hive tables

Script iterator for ActiveRecord models

Event auditing system for Ruby on Rails and PostgreSQL

A Ruby gem for seamlessly integrating form and service object patterns.

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Label-based straight-SQL searcher

This gem will add a chainable "search_for" method to your ActiveResource classes, allowingallowing you to pass in a search query and fields to search on.

A ActiveRecord method to allow user specify and combine query in views

Object based ActiveRecord searching, ordering, pagination, and more!

Advanced activerecord search/filter command

SearchQd provides a search method for string/text columns of an ActiveRecord model. The search itself is handled via simple SQL LIKE statements. That is why it is called quick and dirty.

Simple ActiveRecord full text search.

Simplify searching a model by defining custom named_scopes.

The simplest search gem

Season automatically creates scopes for your models' datetime columns.