
Description: IPOP (IP-over-P2P) is a peer-to-peer virtual private networking tool that allows users to establish private connections using their own IP over peer-to-peer infrastructure. It does not require central control for networking.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ZeroTier is an open-source program that creates a virtual encrypted network between devices and across the internet. It allows devices to communicate over a private network as if they are locally connected, bypassing firewalls and NAT.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API