dynamic_attributes is a gem that lets you dynamically specify attributes on ActiveRecord models, which will be serialized and deserialized to a given text column. Dynamic attributes can be defined by simply setting an attribute or by passing them on create or update.

A list of attributes for LVM objects

atlas-utils is the best

Memoize attributes in a thread-safe way. This ruby gem adds a `#attr_memoized` class method, that provides a lazy-loading mechanism for initializing "heavy" attributes, but in a thread-safe way. Instances thus created can be shared among threads.

This gem extends ActiveRecord::Base to add automatic updating of created_by and updated_by attributes of your models in much the same way that the ActiveRecord::Timestamp module updates created_(at/on) and updated_(at/on) attributes.

Chef-Berksfile-Env ================== A Chef plugin which allows you to lock down your Chef Environment's cookbook versions with a Berksfile. This is effectively the same as doing `berks apply ...` but via `knife environment from file ...`. View the [Change Log](https://github.com/bbaugher/che...

= ebs_conductor The EBS Conductor is a library for managing Amazon Elastic Block Storage volumes and snapshots. It is designed to persist a specific set of data (a "lineage") between different compute instances. EBS Conductor can be used on it's own, but it's most powerful when executed on an ...

attic-cleanup is a gem to easily store your files when you need to get them out of the way.

Graziano's Attention Schema Theory for brain-modeled agentic AI — the agent maintains a simplified internal model of its own attention process, enabling awareness attribution, social attention modeling, meta-attention monitoring, and natural-language attention reports.

Gemified rails attachment_fu plugin.

Delayed is a multi-threaded, SQL-driven ActiveJob backend used at Betterment to process millions of background jobs per day. It supports postgres, mysql, and sqlite, and is designed to be Reliable (with co-transactional job enqueues and guaranteed, at-least-once execution), Scalable (with an opti...

Attached is a Ruby on Rails cloud attachment and processor library inspired by Paperclip. Attached lets users push files to the cloud, then perform remote processing on the files.

Takes some boilerplate out of Ruby with methods like attr_initialize.

Mingle 3.3 introduced a new Events API in the form of an "Atom feed":http://www.thoughtworks-studios.com/mingle/3.3/help/mingle_api_events.html. The Mingle team and ThoughtWorks Studios are big believers in the use of Atom for exposing events. Atom is a widely used standard, and this event A...

A maskable attribute is an attribute that is made up of other attributes (masks), this ordering is set in the masked attribute and preserved across updates.

Attributes for non-ActiveRecord models. Smaller and simpler than Virtus, and adds dirty tracking.

A list of attributes for LVM objects

== OceanDynamo As one important use case for OceanDynamo is to facilitate the conversion of SQL databases to no-SQL DynamoDB databases, it is important that the syntax and semantics of OceanDynamo are as close as possible to those of ActiveRecord. This includes callbacks, exceptions and method c...

Generates attr_accessors that encrypt and decrypt attributes transparently

Enumerated model attributes and view helpers