
Description: Vagrant is an open-source software tool for building and managing virtual machine environments. It provides a simple workflow for developers to easily create, configure, and destroy development environments.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stakkr is an open-source personal knowledge management and note taking application. It allows users to organize notes, tasks, web clips, images, files, and more using a system of stacks and cards, facilitating easy capture and retrieval of information.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API