Firebase Authentication - Application and Data, Application Utilities, and User Management and Authentication
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JSON Web Token - JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
ManyContacts - Create and install a Contact Form in minutes. Easily convert your website visitors into qualified leads. ManyContacts provides a FREE online contact form for conversion optimization.
Django REST framework JWT - JSON Web Token Authentication support for Django REST Framework - jpadilla/django-rest-framework-jwt
Jungle Scout - Amazon product research made easy.