Raindrop.io - All your articles, photos, video & content from web & apps in one place.
NoPass.me - Open-source identity verification
Guru - Guru makes it easy for employers and freelancers to connect, collaborate and get work done flexibly and securely. Browse 1. 5 million freelancers for hire and thousands of projects.
Amazon Cognito - Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.
4chan - 4chan is a simple image-based bulletin board where anyone can post comments and share images.
Civic Token - Access to identity verification via the blockchain