editions
Publish multiple editions for your JavaScript packages consistently and easily (e.g. source edition, esnext edition, es2015 edition)
hostenv
Exports the correct PORT and HOSTNAME values for Heroku, AppFog, CloudFoundry, OpenShift, and other service environments
start-of-week
Take a locale and return its start of the week (0 = Sunday, 1 = Monday)
valid-module
Verify that file or package, be it remote, or local, is a valid ECMAScript Module