Yamdi is a ruby wrapper around the command line tool yamdi (github.com/ioppermann/yamdi). You'll need yamdi installed in order for the gem to be of any use. If you are on OSX I recommend using homebrew (brew install yamdi).

Ruby gem for API Yandex Metrika

Stash environment-specific configs in YAML-files and load them into ENV according to best-practices pattern - and auto-detects on-initialization if something is missing (skipping the "scratching the head"-part).

assist design and maintenance

A simple module that lets you write sql with yaml

Making it easier to go to and from yaml in Objects.

Gem yaml_adapter provides functionality based on ActiveRecord for group of YAML files.

Validate YAML files according to a set of rules.

An ActiveRecord-like interface for reading from & queryeing flat yaml files

A simple gem for storing and caching data in a YAML file

Dead simple .yml/.yaml checker.

Clean issues out of yaml files. Thanks to yamllint.com and ya2yaml

YAML Configuration File generator for Rails 3

In Development

Convert name and surname to yaml file

Create yaml file from array, hash, and json. This gem not use yaml lib.

check duplidate in yaml file

Create classes which work like ActiveRecord classes, but are defined as fixed enumerations based on YAML files.

A small library which injects CRUD functionalities to your Plain Old Ruby Objects and store data in a YAML file

You can execute command with very complicated arguments by using a YAML file.