
Description: Whatmask is a free, open source proxy and VPN recommendation tool. It provides information on the best proxies, VPNs, and mask services for various use cases like privacy protection, accessing blocked content, security, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ipcalc is an open-source IP subnet calculator and address validation tool. It can take an IP address and netmask and calculate the resulting broadcast, network, Cisco wildcard mask, and host range.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API