Check out a new set of 256 trim brushes for ZBrush by Jonas Ronnegard.
All brushes use 2048×2048 16bit alphas and PSD, Tiff, Jpeg alphas are also included. These brushes will also be able to be used in Substance painter in the close future, customers will get access to this automatically and will receive an email about it.
Commercial use of the Brushes/Alphas are permitted but the alphas or brushes themselves can not be sold or shared and must be embedded components in media such as a video game, movies, or similar products.
You can learn more about the pack here.