The MindCrack Pack is a Feed The Beast and CurseForge modpack created by the FTB Team. It is designed specifically for the players of the MindCrack server, although is used publicly for fans to play along.
Important Note: As of July 21, 2013, the MindCrack Pack was locked and there are currently no plans to continue updating the modpack. The changelog can be found on the Forums.