Double entry accounting for Rails applications

Kafka libraries for Ruby.

Delayed::Job plugin to unlock jobs from dead workers

pin some task around deployment to execute them during deployment circle

Simple state machine designed for non-pure transitions. E.g. for wizard-like systems with a lot of external API calls.

Rails engine for Shopify applications.

Dokno allows you to easily mount a self-contained knowledgebase / wiki / help system to your Rails app.

Drupal exporter that prepares content to be imported

https://github.com/tsukasaoishi/ebisu_connection

An engine which contains the core of a construction management app as a layer.

Emailbutler allows you to track delivery status of emails sent by your app.

Save hash representation of class in json column as embedded model.

Use migrations and simple syntax to manage constraints in PostgreSQL DB.

Bibliographic record module for Next-L Enju

Circulation management for Next-L Enju

Event management for Next-L Enju

Library module for Next-L Enju

Message management for Next-L Enju

NDL WebAPI wrapper for Next-L Enju

Extend ActiveRecord::Enum for add more helpful methods