Post To Tumblr - Post To Tumblr is a simple extension that adds simple right-click-post functionality to Chrome.
Cotter - One-click phone number login and checkout
Tumblr Savior - Tired of posts about the iPhone filling up your dashboard?
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.
SuperTokens - Open Source User Authentication - An Alternative to Auth0 / Firebase Auth / AWS Cognito
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.