
Description: GLSL Sandbox is a web-based tool for creating and experimenting with GLSL shaders. It provides an editor with syntax highlighting and allows compiling and running shaders in real-time in the browser.
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