Here is a selection of some recent Shadertoy demos ported to GLSL Hacker. All demos are available in GLSL Hacker code sample pack in the GLSL_ShaderToy/ folder. Launch GLSL Hacker and load any XML demo (drag-n-drop under Windows). Now you’re ready to enjoy and hack all those fantastic shaders with live coding.
This ray-mar-tra-ching shader looks so real: