It just makes sense to store mutable, site-wide, admin-level settings in the database. Right? A key-value table may be more flexible, but maybe we don't want to be flexible! If you truly want that flexibility: http://github.com/stephencelis/kvc

Text::Format is provides the ability to nicely format fixed-width text with knowledge of the writeable space (number of columns), margins, and indentation settings. Text::Format can work with either TeX::Hyphen or Text::Hyphen to hyphenate words when formatting.

Fastlane plugin to update static settings in an iOS settings bundle

props - Manage Settings Hierachies (Commandline, User, Home, Defaults, etc.)

Dependor is not a framework for Dependency Injection, but something thatt reduces duplication a little bit when doing manual dependency injection in settings like Rails apps.

iniparser - read / parse INI configuration, settings and data files into a hash (incl. named subsections)

Adds programmer creatable, user editable settings.

This gem provides default rubocop settings for Umbrellio projects

Easy settings for your app

A Rack endpoint that generates cache manifests and other useful HTML5 offline utilities that are useful on the server-side. Rack::Offline also provides a conventional Rails endpoint (Rails::Offline) that configures Rack::Offline using expected Rails settings

A set of rubocop settings used in my own projects.Support for: vanilla ruby, rspec, rails.

Configus helps you easily manage environment specific settings

Application settings convention over YAML

Manage application configuration and settings per deployment environment

Setler is a Gem that lets one easily implement the "Feature Flags" pattern, or add settings to individual models. This is a cleanroom implementation of what the 'rails-settings' gem does. It's been forked all over the place, and my favorite version of it doesn't have any tests and doesn't work wi...

Engine providing key-value settings stored in db with a web UI.

Mongoid / ActiveRecord + RailsAdmin App Settings management

This provides a base for Refinery CMS which handles things like settings on the Refinery namespace.

UI interface for rails-settings-cached in active admin

Easy to use general purpose settings backend for activeadmin