FreePBR vs Texture Ninja

FreePBR is a web library of downloadable physically based rendering materials and texture files for 3D and game development. The site lists 609 free PBR textures and says the collection is growing. Materials support metalness/roughness and metallic/smoothness workflows, with sets that may include normal, albedo, roughness, metallic, ambient occlusion, and height maps. Files are 2048×2048 PNGs. The library is described as working with Blender and Unity, and also lists 3ds Max, Maya, Unreal, Cinema 4D, Houdini, and Rhino as compatible applications. Free texture sets can be used in games and 3D designs for noncommercial purposes, but redistribution is not allowed. A one-time purchase grants commercial rights for the collection and future textures. The listed commercial plan costs $21 as a one-time purchase, includes 600+ texture sets in one zip, future textures, VIP access, and the Desert Formations Pack textured model. FreePBR is aimed at indie game developers and 3D artists. The creator invites questions and suggestions through the contact page.

Texture Ninja has no write-up on Specifiction yet; its figures are above.