
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: iCloud Passwords is Apple's built-in password manager that allows users to save website usernames and passwords securely in their iCloud account. It syncs across Apple devices so passwords entered on one device will autofill on another.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API