
Description: CSS Exfil Protection is a browser extension and firewall module that prevents sensitive data exfiltration through CSS requests. It analyzes CSS rules and blocks suspicious ones.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Privacy Possum is a free and open source browser extension for Firefox and Chrome that helps prevent companies from tracking your online activity and building profiles about you without your consent.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API