Artstation - 5 Worn Metal Smart-Materials (Vol.01) 

https://www.artstation.com/marketplace/p/NN56k/5-worn-metal-smart-materials-vol-01

Designed in Substance painter 2019, works for 2019, 2020, 2021 or above, Adobe or Allegorithmic, grab it if you find it useful for you
Archive contains 2019 smart material files (.spsm) which should work for 2019 versions and above,
also contains 2021 (.spsm) files just in case :)

Artstation - 30 Plastic Smart Materials & PBR Textures - VOL 10

http://www.artstation.com/marketplace/p/5jMwv/30-plastic-smart-materials-pbr-textures-vol-10

30 High Quality and Procedural Plastic Smart Materials.

This product includes 30 Plastic Smart Material for Substance Painter and 4K PBR texture. You can use the PBR Textures for any program that works with PBR workflow! Having this collection in your library can bring reality to your work. 

After Purchasing this Product You will get :

• 30 High-quality Plastic Smart Materials (SPSM)
• 30 4K Plastic PBR Texture Sets
• Preview

14 Window Smart materials for Blender. This material pack allows you to apply complex materials with one click.

It works with the Cycles engine. if you use Eevee you'll lose some of details and effects.

_It's not an add-on and you won't need any add-ons.

includes three categories:

• Broken window
• Dripping Water
• Dirty window

 info about this  product:

• 30 High-quality glass smart materials (SPSM)
• jpeg(preview)-custom preview in substance 
• all layers have correct name
• fully maded in substance painter
• All patterns created with shape manipulation using 

  default texture and maps in substance painter