This is a free Diffuse BSDF Shader guide to help Blender users, extract from one of my free PDF guides and YouTube tutorial below, hope you find it useful :) : r/learnblender
Chocofur Chocofur 08 Translucent Advanced Shader - Free Blender and Cycles Advanced Translucent Shader created by Chocofur! Improve your interior visualization renderings using our Cycles shaders and textures.
FREE Toon Shader | Blender - YouTube
This Blender Shader Allows You to Give Your 3D Models a Painterly Look
Comic and halftone procedural shader - Blender Tests - Blender Artists Community
Free Blender Holographic Shaders Download by CGwRAiTH on DeviantArt
Skin shader for Blender-Cycles/EEVEE - Materials and Textures - Blender Artists Community