
Description: Buttercup is an open source, self-hosted password manager that allows users to store passwords and other sensitive information securely. It has desktop, mobile and browser extension clients available.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Password Sender is a free, open source software designed to securely share passwords, logins and other sensitive information. It allows you to encrypt data and send it via email or a link, then have it self-destruct after the receiver views it to ensure privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API