Low level manipulation tool for Chef Server 12 and later

Loads all records from the table on first use, and thereafter returns the cached (and frozen) records for all find calls. Optionally, creates class-level methods you can use to grab the records, named after the name field you specify.

This is a crawler framework.

Database exporter that prepares content to be imported

super-fast database cleaner

A Rails 4 ActiveRecord plugin that adds group_by_day, group_by_month, etc. Not timezone aware, but supports sqlite.

PostgreSQL DBI DBD

Automatically tests your Rails app for common database query mistakes

Tool for managing and executing your database migrations. It supports multiple databases and multiple languages for writing migration scripts.

Dead-simple gem for Rails 5 that allows to switch between database connections on-the-fly

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

A framework on top of Karafka for Change Data Capture on the model level.

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