url-template
A URI template implementation (RFC 6570 compliant)
urijs
URI.js is a Javascript library for working with URLs.
@budibase/handlebars-helpers
More than 130 Handlebars helpers in ~20 categories. Helpers can be used with Assemble, Generate, Verb, Ghost, gulp-handlebars, grunt-handlebars, consolidate, or any node.js/Handlebars project.