angular - Sharing data between 2 websites at client side -

i have angular 2 application has authentication process defined. i'm developing other application don't need registration/authentication process. however, if logged in @ first application, need show name/email in second application if browses. way achieve storing logged in user details @ client side , retrieving same other website. sessionstorage/localstorage/cookies not helping me specific domain/site created. if store in localstorage, cannot read diff domain.