psych (rubygems): Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/LibYAML] for its YAML parsing and emitting capabilities. In addition to wrapping libyaml, Psych also knows how to serialize and de-serialize most Ruby objects to and from the YAML format. 
Keywords: c|hacktoberfest|java|libyaml|psych|ruby|yaml-parser