Fiveapples is a fully opensource and standalone OData + openui5 demo app. It runs a sqlite database, serves it as a Safrano based OData endpoint and additionally serves the openui5 demo app itself, all in a single ruby process.

A standalone library for managing test fixture data

Fixturator is a fixture generator for ActiveRecord models

Dynamically creating ActiveRecord Fixtures.

FixtureGroup is an extension of the ActiveRecord Fixtures that make possible to create fixtures group

If you want to generate fixtures from development database for a Ruby on Rails application here is a helper

FixtureParts registers data in DB for each test.

Adds a test that validates all your Rails fixtures.

Moderate records in Rails

Easily add a styleguide to your rails app.

Rails 3 engine that provides ajax flash messages for your rails app.

FlammarionRails

An issue catcher, manager, and mailer for rails apps.

Rails helper to style flash messages

Flash Gordon is a gem written to simplify flash notification calls from anywhere in your application, need a flash message appended during a controller action? model method? or view? The syntax and usage is consistent and simple. Take a spin :)

A quick and dirty way to send a message

Persistent flash messenger.

Integrate with flash-messenger to provide a simple flash messages.

Direct multi-file uploader to s3

Allows to flat an object and his children (ActiveRecord based) into one level, so you can create them all without building a complex form.