
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SHADERed is a lightweight, cross-platform & open-source tool for writing and debugging shaders. It features live editing of GLSL/HLSL shaders, compilation checking, error reporting, built-in shader viewer and ability to debug Compute and Graphics shader programs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API