
Description: Viscosity is a VPN client for macOS and Windows that allows you to connect to VPN services and tunnels. It has an easy-to-use interface and supports many VPN protocols like OpenVPN, L2TP, and IPSec.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SoftEther VPN is an open-source, multi-protocol VPN software that supports SSL-VPN, OpenVPN, L2TP, IPsec and other protocols. It can traverse restrictive firewalls and works on most platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API