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.

Humanizes datetime for Active Record objects.

A re-imagining of the iconic BBS software.

Inum(enumerated type of Integer) provide a java-Enum-like.

isbn_validation adds an isbn validation routine to active record models.

istox backend shared gem

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

A Rails engine to durably deliver schematized events to Amazon Kinesis via DelayedJob.

Handles application errors and model validations

This gem allows you to filter and sort an ActiveRecord relation based on a request, following the JSON:API specification as closely as possible.

Easily add Judge client side validation to your SimpleForm forms.

Create flexible builders to export your queries easier than ever

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.

Make Kalendae available in the Rails asset pipeline.

kaminari-sinatra privides pagination helpers for your Sinatra templates

Knowledge Base is a bunch of models for Ruby on Rails that you probably need to build your own

Metadata aggregation and enrichment for cultural heritage institutions.

Lalala: Probably the best CMS in the world

Lalala: Probably the best CMS in the world