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

JSON schema validation for Rails

Easily add Judge client side validation to your SimpleForm forms.

Create flexible builders to export your queries easier than ever

Make Kalendae available in the Rails asset pipeline.

Simple Kaminari pagination in Cells.

Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 3+

Upstream pull request: https://github.com/amatsuda/kaminari/pull/636

kaminari-sinatra privides pagination helpers for your Sinatra templates

Quickly add KMS encryption and decryption to your ActiveRecord model attributes and ActiveJob parameters. Improves upon kms_attrs with ActiveJob support, more efficient binary serialization and a test suite.

Including stuff for HTTP, SSH and much more.

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

Koalagator is an open source community calendaring platform

Compose an object from comma separated keys.

Metadata aggregation and enrichment for cultural heritage institutions.

Process your Paperclip attachments in the background with ActiveJob

Rails Mountable Engine that sets up your Product Blog, share your posts on facebook, twitter and E-mail your users with your latest product news

Lalala: Probably the best CMS in the world

Lalala: Probably the best CMS in the world

An extension for ActiveRecord models that adds a a very easy to use caching layer for models that include an updated at column.