Software · Photo & graphics

WgShadertoy

A WGSL playground inspired by Shadertoy.

Completely free
Linux
Open source

At a glance

WgShadertoy is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
Commercial use allowed

About

WgShadertoy is a WGSL playground inspired by Shadertoy. It uses a binary format 'wgs' to save and load shaders and textures. The runtime currently provides six parameters you can use in your shader as a uniform variable: cursor vec2 The mouse position in pixels. mouse_down u32 Whether the left button of the mouse is down. mouse_press vec2 The mouse position in pixels when the left button is pressed. mouse_release vec2 The mouse position in pixels when the left button is released. resolution vec2 The resolution of the canvas in pixels (width * height). time f32 The elapsed time since the shader first ran, in seconds.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Last technical check: 9 November 2026
Description from Flathub — AppStream (Flathub)

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