All Material blending

Blender Development Fund
Asset Library
Blender Development Fund
Asset Library
Easy Environment
$29

Mohd Khurram in Addons

Seamless Mesh Blend
$10

Mars0hod in Addons

Seam Blend - Blend Mesh and Materials
$3.50

ThriftBlend in Addons

GeoBlend - Easy Object Blending
$3

Megani in Addons

Easy Smart Blend
$7$4.90 Dev Fund Contributor

Blender Procedural in Addons

Permablend
$19.99$11.99

Egret Studios LLC in Addons

Anti Tile 2
$9,999

kartikay A Mathur in Models

PBR Mixer
$28

Nodes and noodles in Surfacing