A layer on top of ActiveRecord for using paths within queries without thinking about association joins

Disable the connection pooling of Rails

dkd PHP deployment tasks and strategies

test infrastructure for dkdeploy

A simplified pattern to execute rails applications within Docker (with a CI build emphasis)

Can require 'doh/scriptapp' for default script settings, e.g.

wrapper classes around low level mysql gem to provide a better interface

ActiveRecord-backed data store for Dragonfly

personal suit, you can see test suit in induction_cannon_01

Droom is nice and clean.

Simple, performant settings for your Rails application

dual_writes allows ActiveRecord to write to multiple databases asynchronously or synchronously.

DumpHook speeds up your Rails system and acceptance tests by dumping and restoring database state instead of recreating it from scratch on every run. Supports PostgreSQL and MySQL. Works with Capybara, RSpec, Cucumber, and Minitest.

it dumps

This gem blocks duplicate emails.

Being included in a model, the library patches ActiveRecord::Base.default_scope to take a proc and have an optional name.

A dynamic query gui for ActiveRecord

https://github.com/tsukasaoishi/ebisu_connection

Ebisu is the yahoo item search api cilent.

Edgarj is an Ajax-based scaffold with QBE(Query By Example) search form, column sort on record list, popup view & controller for 'belongs_to' relation table to pick up a parent record, csv download, and user-role based access control.