has_normalized_attributes is a Ruby on Rails gem that lets you normalize user data for an improved user experience. It takes the messy user inputed data and normalizes it into a nice clean standard format.

Has Placeholder Image is a Ruby on Rails gem that allows developers to generate placeholder images for models depending on the title or name attributes of model.

Keep specified associations in sync with ease using async reindexing (searchkick gem is required).

Bind a remote ActiveResource object to your local ActiveRecord objects, delegate attributes and optionally cache remote attributes locally.

Uses Chronic to parse incoming dates and does not raise errors on invalid multi parameter settings

This gem adds ability to construct search objects for indexed models, build search forms and execute searches. It works with sunspot, inherited_resources and simple_form/formtastic

Adds dynamic attributes through serialize. This way, it's in one table, and it's still trivial to track changes to your records.

Easily track streaks on your ActiveRecord models.

Simple yet customizable token generator for Rails 3

Generates a unique slug for use as a drop-in replacement for ids.

The has_uuid gem adds a UUID to your AR models. See the README for details.

vCard like contact and address models and helpers for Rails.

seed util (convert excel to yaml and insert yaml to db)

Announcement plugin to include 'hello bar' for Ruby on Rails. Based on paul_revere.

Create highcharts in rails with ease!

This adds a lab interface to the OpenMRS compatible core API provided by [HIS-EMR-API](https://github.com/EGPAFMalawiHIS/HIS-EMR-API).

Raises an exception if an ActiveRecord callback is used. Won't interfere with usage from within other gems.

Hooch provides tools for common UI patterns without any dom or css. You build the html and css you want, then add data-attributes to get behavior. Keep behavior independent of look-and-feel and you can build "anything**"(** within reason).

Introduces Aggregated and Tracked behavior to ActiveRecord::Base models, as well as Macros and Extensions modules for more efficient usage.

Horza is a shapeshifter that provides common inputs and outputs for your ORM