1) Freeware game 2) MUD server 
LPMud, abbreviated LP, is a family of MUD server software. Its first instance, the original LPMud game driver, was developed in 1989 by Lars Pensjö (hence the LP in LPMud).{R|bartle-lars|shahromine-mudlib|pike} LPMud was innovative in its separation of the MUD infrastructure into a virtual machine (known as the driver) and a development framework...