Get validation error from database constraint.

Open Annotation demonstrator for LD4L

Serialize out of the Cerealize Box - a drop-in replacement for ActiveRecord's serialize It can auto transcode old encoding (yaml if you're using AR's serialize), to new encoding (marshal, json, you name it) without any migration.

Flexible custom serialization for Ruby objects.

Rails engine for generating certs with certbot using the challenge and response method

Certify is a Ruby on Rails / OpenSSL based CA engine which can be mounted in every rails application of your choice!

Rails engine for automatically renewing SSL certificates.

WebGL Virtual Globe and Map Engine as Rails' Engine

command line based sqlite db navigator. ruby 1.9.3 .. 2.4.

Call for Papers Rails Engine used for the organization of MagmaRails

Cfror add custom fields to rails model.

Description of Rtex.

Simple ActiveRecord plugin for handling merges.

Rails engine for I18n translations

Changeful is a gem that converts your static content in your views to be stored into database. Thereafter, administrator can use RailsAdmin or Active Admin to edit the static content.

A simple, yet flexible solution to tracking changes made to objects in your database.

mountable engine that parse git commits and produce github like change log

ChangeManager uses Resque and resque-scheduler to detect changes in ActiveRecord objects, then applies logic to them.

Tracks changes to your activerecord models

Gem for using Chaplin.js with Rails asset pipeline, based on chaplin-rails boilerplate project.