An Active Model validator that uses the face.com API to ensures an image contains a face

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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 Papertrail, since the changes that have not yet been accepted are stored outside of the model table - in the moderations table.

Create translations for your ActiveRecord models. Uses delegate pattern. Fully tested and used in a several production sites.

Provides a set of valuable features for Registration, Authentication, Management and Internationalization.

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.

Sinatra project generator.

A persistence library based more closely on the repository model. Used in production for several years.

Adds common gamification features such as points, leaderboards, and achievements to a Rails Application.

A basic metadata editor for hydra-head

A re-imagining of the iconic BBS software.

isbn_validation adds an isbn validation routine to active record models.

istox backend shared gem

Jobbr provideds a convenient framework and UI to make your Cron jobs and Scheduled Jobs more manageable.

Rails engine built on top on Active Job gem to persist job results and notify job status changes

Handles application errors and model validations

Easily add Judge client side validation to your SimpleForm forms.

provides soft delete. Kakurenbo is a re-implementation of paranoia and acts_as_paranoid for Rails4 and 3. implemented a function that other gems are not enough. The usage of the Kakurenbo is very very very simple. Only add `deleted_at`(datetime) to column. Of course you can use `acts_as_paranoid`.In addition, Kakurenbo has many advantageous.

kaminari-sinatra privides pagination helpers for your Sinatra templates

Easily compile HTML into Rails views for Mithril.