
Description: Sybu JavaScript Blocker is a browser extension that allows users to selectively block JavaScript on websites. It gives users more control over web security and privacy by preventing unwanted JavaScript code from running.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GNU LibreJS is a free add-on for Firefox and Chromium-based browsers that blocks nonfree nontrivial JavaScript code. It protects users from privacy/security issues and promotes the spread of free software.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API