NoPass.me - Open-source identity verification
Ad Skipper for YouTube - Ad Skipper for YouTube – Skip and Mute YouTube ads is a powerful Android tool specially designed for YouTube streaming lovers who want to enjoy the high-quality fast streaming experience without any irritation from ads.
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.
Bromite - Bromite is Chromium plus ad blocking and privacy enhancements; take back your browser!
Civic Token - Access to identity verification via the blockchain
BLOCK THIS! - Block This 3.0 is a FREE and Open Source ad blocker for Android that works in all apps and browsers!