Ruby gems specify metadata in a .gemspec file.

PropertyRuby Gem
codeRepositoryhomepage
runtimePlatformplatform
softwareRequirementsrequirements, add_runtime_dependency
authorauthor/authors
licenselicense/licenses
versionversion
descriptionsummary, description
namename
emailemail
softwareSuggestionsadd_development_dependency

New to CodeMeta? The User Guide describes how these terms are used in a codemeta.json file. There are also various tools such as the generator that can help!