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I want to create classic Simplex, Perlin, and Worley noise using shader nodes.

The Noise Texture says it is a fractal Perlin noise but I want the classic Perlin noise.

The Voronoi Texture says it evaluates a Worley Noise but I want the classic Worley noise.

I did not get any node equivalent to Simplex noise.

Is it possible to create these noises procedurally?

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Blender's Shader Graph has a Script Node which supports a broad spectrum of the Open Shading Language. The Open Shading Language enables loops, for example, which are a powerful tool in shader programming. With this (I claim), it should be possible to generate your desired noise types (without knowing the formulas in detail now).

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