Same as acts_as_state_machine but on multiple columns and with more strict validation, allow creation of complex events with parameters, used successfully on critical financial applications for quite a long time

OpenID ActiveRecord Store.

A full ruby implementation of the OpenVAS OMP (version 2.0) protocol.

Perform addition, subtraction, multiplication and division on your models.

Create service objects with Operate.

Operations framework

A ruby widget toolkit for everyone and every computer

Generates memory-optimal immutable ActiveRecord dupes that are easily serializable and behaves much like ARs. Define required attributes before-hand and use them just as you would on an AR, for better memory optimization. Ideally, suitable in place of caching AR objects with cache stores like Memcached, where serialization and de-serialization are memory-hungry. Optars can save upto 90% of your memory(object allocations), while being upto 20x faster, when fetching huge AR results.

Micro gem to validate updatability enforcing optimistic locking using +lock_version+

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Graph engine interface for active record.

This is a Ruby library for interfacing with an Oracle Database using pooled OCI8 raw connections (http://ruby-oci8.rubyforge.org/en/). Connection pooling is achieved by utilizing ActiveRecord Oracle Enhanced adapter (https://github.com/rsim/oracle-enhanced).

Provides a simple DSL for creating named scopes for ordering records

Add user defined ordering to ActiveRecord, supports MySQL and PostgreSQL.

Obtain ActiveRecord results with a custom ordering

ordered find

Uses parent_id and position to create an ordered tree.

Simple extensions to ActiveRecord for common 'order' queries

Order Active Record by priority is made easy by simple key value pair input ,also maintaining Order Method Chain