ShaderGraph: Color - Unity Learn

Blender: Introduction to Shader Editor - STYLY

Shader Forge - A visual, node-based shader editor

Wisdom Shaders 1.19.4 → 1.18.2 — Shaders Mods

Sildur's Shaders 1.19.4 → 1.18.2 (Vibrant, Enhanced Default & Fabulous) — Shaders Mods

Solas Shader

Some very basic shader tutorials?

Source Shaders Tutorial

Unity Shader Programming: Beginners to Advanced Techniques