Store ActiveRecord IDs non-obviously in URL using hashids.

Allow addition of custom 'magic' columns to ActiveRecord models.

Custom fields forActiveRecord models, suppport Rails 4!

Simple replacement for has_many_polymorphs

Moderated fields or whole model instances are serialized and saved into a separate moderations table. The moderation can then be accepted and the changes will be applied to the model. This way, lookups for existing, accepted fields or entries will be much faster than if using something like Paper...

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

vCard like contact and address models and helpers for Rails.

Take rails constants' loading under control

Helena is an online survey/test framework designed for agile survey/test development, longitudinal studies and instant feedback.

Ruby library for image galleries generation.

heroku_external_db lets you specify multiple databases using Heroku-style DATABASE_URL parameters, wire them up to different ActiveRecord configurations, and automatically configure it from the Rails environment. It also adds support for the :sslca configuration parameter so you can talk t...

New Relic (on Heroku) currently reports queue times as queuing at the router level. The goal of this gem is to provide new relic with the proper queueing time for requests, which takes into account queue time at the dyno level.

A Rails engine for in-app notifications.

Adds ActiveRecord support for hierarchical data structures using PostgreSQL's LTREE column type.

Rails pipeline wraper for highlight.js

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

Creates separate tables for each history table

Core Ruby extensions from the Hobo project

Note plugin for Homeland.

Press/Blog/News plugin for Homeland, this gem is only work on Homeland Application.