
Description: ShaderTool is a free add-on for Blender that helps create and edit shaders. It provides a node-based interface to build shader graphs intuitively without coding.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Shadertoy is a website that allows users to create and share GLSL shaders. It has an online editor and gallery for experimenting with shader programming in an easy-to-use web interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API