Kill Bill payment plugin for Stripe.

Kill Bill notification plugin for Zendesk.

A kindergarten with a perimeter, a governess and a sandbox

Placeholder Parsing in Strings

Tokens are a usefull way to give users access to an application. This can be for a limited time or just once. Just think of password resets, changing email, protected rss feed urls, timed out private links

Kit is a framework for making simple management tools called kits.

This extension to the MysqlAdapter in ActiveRecord enables bulk updates to schema definitions. Pr. default when calling connection#add_column the change will be executed a once, but Mysql allows for multiple changes to be executed in one SQL statement (http://dev.mysql.com/doc/refman/5.1/en/alter-table.html). The advantage of this is that it takes a lot less time, especially if the table is large.

Quickly add KMS encryption and decryption to your ActiveRecord model attributes.

Command line interface for the SQLite3 database of KMyMoney

Command line to export Kobo device notes bound in the book

Most web applications have a lot of before/after hooks that occur when working with objects: sending a welcome email on registration, incrementing/decrementing counter caches, trigger validation on remote web services. When implemented using callbacks, all these occur without the developer knowing about them. A simple change in one area of the code can have a huge impact somewhere else. Inspiration for this came from http://blog.teksol.info/2010/09/28/unintented-consequences-the-pitfalls-of-activerecord-callbacks.html and http://jamesgolick.com/2010/3/14/crazy-heretical-and-awesome-the-way-i-write-rails-apps.html

A Easy way to project your MMO Server.

ActiveRecord adapter for Cloudera's Kudu over Impala database

ActiveRecord adapter for kudzu crawler

Store arbitrary key value pairs for your application using kue's simple api'

register who created, updated or deleted an active record object

Simple, efficient message processing for Ruby

You would use this Paranoia gem if you wished that when you called destroy on an Active Record object that it didn't actually destroy it, but just "hide" the record. Paranoia does this by setting a deleted_at field to the current time when you destroy a record, and hides it by scoping all queries on your model to only include records which do not have a deleted_at field.

Detect changes of model attributes and send to outside.

Extensions for Rails I18n