ProCore is a "Professional Core" for any Unity game developer- a collection of powerful & intuitive tools that are constantly battle-tested and field-proven to help real developers create awesome games.
Included in the ProCore Bundle:
ProBuilder Advanced : Build & Texture Geo
ProGrids : Grids & Grid Snapping
ProGroups : Scene Organization & Control
QuickDecals : Place Splats, Signs, Etc
QuickEdit : Edit Imported Meshes
QuickBrush : Paint Detail Geometry Anywhere
https://www.assetstore.unity3d.com/en/#!/content/15447
Included in the ProCore Bundle:
ProBuilder Advanced : Build & Texture Geo
ProGrids : Grids & Grid Snapping
ProGroups : Scene Organization & Control
QuickDecals : Place Splats, Signs, Etc
QuickEdit : Edit Imported Meshes
QuickBrush : Paint Detail Geometry Anywhere
https://www.assetstore.unity3d.com/en/#!/content/15447