Slivovitz is brandy made from plums: purple plums, red plums, yellow plums, dried plums...any plums. Slivovitz is fermented on the stone (with the pit) or without the pit and some slivovitzs are fermented with the plum skin still on, others not. Other variables include how long it is aged and which type of container the plum brandy is aged in: oak, mullberry, maple barrels or glass or stainless steel containers.