gocardless / statesman

A statesmanlike state machine library.

state-machines / state_machines

Adds support for creating state machines for attributes on any Ruby class

comfy / active_link_to

Rails view helper to manage "active" state of a link

etewiah / property_web_builder

Create a fully featured real estate website on Rails in minutes! ⛺

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.