Description: Amazon Cognito is a cloud service that provides user identity and data synchronization across devices. It allows you to add sign-up, sign-in, and access control to your web and mobile apps quickly and easily.
Type: software
Description: Mailman is an open source mailing list management system. It helps manage email discussion and announcement lists, allowing users to subscribe and unsubscribe, and helping admins moderate and post to the lists.
Type: software
Pricing: Free