Sites and apps similar to ShaderLab include Bitspace, which is free and open source. Other options are Alma.sh, SHADERed, Shadertoy and Shader Editor. Code Editors like ShaderLab are a crowded field, with more than 25 alternatives for Windows, Linux, self-hosting, iPhone and iPad.
Shader Frog lets you create visual effects by composing two or more shaders together, and tweaking their parameters. You can build a complex effect out of simple components. You can then export your shader for use in your THREE.js game or application.
Prototype Node Based Shader Editor in WebGL to edit and create materials interactively with nodes, where you can drag and drop textures and use multiple features similar to other editors
ShaderGif is an open source home for art made with code. Make gifs with GLSL, Javascript and p5.js.
Shader editing environment with rapid prototyping, integrated preview window, debugging, and optimization tools. Supports DirectX and OpenGL shaders, artist-focused views, sample effects, custom importers, and integration with modeling and texturing tools.
United States
Shader Learning is an interactive browser-based platform for learning GPU programming through practical exercises. It offers over 250 challenges in GLSL and HLSL, allowing users to write and test shaders directly in the browser without any setup.
Native Mac wallpaper software with 85 GPU-rendered Metal scenes, customizable fractal flames, personal video backgrounds, and automatic pausing when covered or on low power. It includes flame editors, .flame file support, playlists, multi-display options, and one-time Pro upgrades.
United States
ShaderTool provides a flexible and editable node-powered pipeline that allows you to write shaders without also having to have written an engine. Use the integrated code editor to directly write shader code in either HLSL (DirectX) or GLSL (OpenGL).
Germany
EU
Shaders - Shader editor is an app which let you view, create and share shaders with other users. Shaders are little graphics programs which run on the GPU.
TyphoonLabs' OpenGL Shader Designer is an open-source shader development IDE created for writing vertex and fragment shaders in the OpenGL Shading Language (GLSL).
ProtoShade is a GLSL:ES Shader Prototyping Utility for Android. Code shaders on mobile devices while a viewport renders the results transparently in the background.
Shader Workship is an interactive GLSL fragment shader editor inspired by ShaderToy and built with Qt.
Synthclipse is a GLSL shader prototyping tool. It makes possible to fast develop all kinds of shaders: Fragment (FS), Vertex (VS), Geometry (GS), Tessellation (TS) and Compute (CS). Shader development can be done using compatible with Fragmentarium and Shadertoy (but limited to...
