
Description: Rattle is an open-source data mining GUI tool built on the statistical programming language R. It allows users to visually create, evaluate, and refine data mining models without programming.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Esquisse is a free, open source painting and drawing application for Linux. It has a simple and intuitive interface with various brushes and tools for sketching and creating digital art.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API