Ecosyste.ms: Packages
An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.
bower.io "g11n" keyword
riot-i18n
Riot JS internationalization tag and mixinLatest release: about 1 month ago - 31 stars on GitHub
localization-js
Create multi-language structure with JavascriptLatest release: 16 days ago - 0 stars on GitHub