
Description: Firefox Multi-account Containers is a Firefox browser extension that allows you to segregate browser cookies, cache and other data by account or website. It helps prevent tracking, mixing of online identities and data leakage across accounts or websites.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Island is a privacy-focused web browser that isolates each web page into a separate container to prevent tracking across sites. It has built-in tracker and ad blocking.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API