
Description: Plnnr is a free and open-source alternative to Microsoft Project for project management. It allows users to create Gantt charts, track tasks, assign resources, and manage projects of any size.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: 3pMaster is an open source third party risk management software designed to help organizations assess and monitor vendor risk. It provides features like vendor questionnaires, document storage, risk scoring, dashboards, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API