2018 Jul
#Sources:
https://www.npmjs.com/search?q=keywords:sso
https://www.npmjs.com/search?q=single%20sign%20on
##List of sso npm packages:
Listed as per popularity (more downloads)
bold are some other notable ones
https://www.npmjs.com/package/passport-azure-ad
https://www.npmjs.com/package/passport-saml
https://www.npmjs.com/package/keycloak-js
https://www.npmjs.com/package/keycloak-connect
https://www.npmjs.com/package/samlify
https://www.npmjs.com/package/discourse-sso
https://www.npmjs.com/package/keycloak-auth-utils
https://www.npmjs.com/package/anvil-connect
https://www.npmjs.com/package/samlify-q
https://www.npmjs.com/package/node-sspi
https://www.npmjs.com/package/auth0-sso-login
https://www.npmjs.com/package/nuxt-flarum
https://www.npmjs.com/package/dnt-connect
https://www.npmjs.com/package/persona-id
https://www.npmjs.com/package/saml-lib
https://www.npmjs.com/package/math-float32-signbit
https://www.npmjs.com/package/passport-sso
https://www.npmjs.com/package/discoursso
https://www.npmjs.com/package/apostrophe-saml
https://www.npmjs.com/package/@gctools-components/gc-login
https://www.npmjs.com/package/passport-saml-pp
https://www.npmjs.com/package/@gctools-components/phrase-cloud
https://www.npmjs.com/package/sg2b-keycloak-connect