
Description: NxFilter is a free web filtering software that allows administrators to block access to inappropriate or harmful websites. It can filter content based on categories, keywords, domains, and more. NxFilter works by intercepting web requests and determining whether they should be allowed or blocked.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Cisco Umbrella is a cloud security platform that provides the first line of defense against threats on the internet. It blocks requests to malicious domains, IPs, URLs and files before a connection is established or a file is downloaded.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API