qonfig (rubygems): Config. Defined as a class. Used as an instance. Support for inheritance and composition. Lazy instantiation. Thread-safe. Command-style DSL. Validation layer. Support for YAML, TOML, JSON, __END__, ENV. Extremely simple to define. Extremely simple to use.
Keywords: config|configurable|json-config|multi-config|ruby-config|ruby-configurable|ruby-settings|settings|toml-config|yaml-config