thoughtbot / factory_bot

A library for setting up Ruby objects as test data.

github / scientist

:microscope: A Ruby library for carefully refactoring critical paths.

react-native-config / react-native-config

Bring some 12 factor love to your mobile apps!

devise-two-factor / devise-two-factor

Barebones two-factor authentication with Devise

cardmagic / solid-objects-ruby

Fix race conditions on one record in Rails: ordered operations, expiring holds, and durable state in your existing SQL database. A SQL-backed virtual actor library.