
Description: Insular is an open-source document annotation and markup tool. It allows users to highlight, comment on, and collaborate on documents such as PDFs, Office docs, and images. Useful for reviewing and discussing documents in teams.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Shelter is an open-source app that helps users regain control over their personal data from big tech companies. It allows backing up and removing apps without losing data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API