
Description: Planet Crust is a 2D animation software focused on frame-by-frame animation. It has an intuitive interface with various brushes and tools optimized for creating cartoons and animations quickly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: REI3 is an open-source requirements engineering tool that supports iterative and incremental software development. It allows users to model, analyze, and manage requirements and helps coordinate software teams toward understanding and delivering expected functionality.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API