This gem built to allowing records to be lockable. It's lock your records and let'em untouched.

With ActsAsMentionable you can mention a different models in different contents.

Weighted majority voting system for qualitative (categorical) items (i.e.assuming the set of decision has no natural ordering). As a measure of the quality of the consensus/inter-agreement, you can choose between a weighted variant of fleiss Kappa (by default) or the entropy of the vote distribution

Handles Message sending between ActiveRecord instances

Make cache methods on ActiveRecord easy!

Rails plugin for change-tracking and moderating visibility and status of your ActiveModels

Store multilingual columns in JSON

acts_as_notifier is an add-on for ActiveRecord models used to notify users of new and updated records via ActionMailer emails. The notifications can be make conditional and recipient lists can be specified at runtime using a proc or method name. acts_as_notifier can be configured to send emails via DelayedJob.

Combines `acts-as-dag` and `rails3_acts_as_dag` to order model instances in a polymorphic directed acyclic graph and to be able to retrieve connections deleted in the past.

Handle postgres style partitions in ActiveRecord

Because most percentages only need to be accurate to two decimals, this gem has you store them as basis points and does the conversion for you.

Use this gem to create calendar events from Ruby objects. It fully complies with RFC5545 and other associated RFCs.

Description of ActsAsPluggable.

Library for the positioning of objects in ActiveRecord.

Enforces presenter pattern for Rails projects

Allows methods and attributes of priceability also employing money rails

Simplifies handling of pseudo removed records.

User resource management gem.

Use a field to store plain-text roles and manage them easily

Wraps RoleModel up to make role based authorization really easy in Rails >= 3.2.