
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: squidGuard is a free and open source web filter and proxy software. It blocks access to websites based on blacklists and whitelists to control web access and content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API