
Description: VPN Tunnel is a virtual private network (VPN) app for Android that encrypts internet traffic and hides your IP address. It offers strong security features like AES 256-bit encryption, DNS leak protection, and an internet kill switch.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yggdrasil is a lightweight experimental peer-to-peer network, aiming to implement advanced routing and networking capabilities while remaining simple and easy to use. It is decentralized, self-arranging, and supported by end-users running a light-weight mobile app or desktop application.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API