You could have downloaded MaltCraft 0.3 from our software library for free. The program's installer file is commonly found as maltcraft-03.exe. MaltCraft is sometimes referred to as "MaltCraft-0.3". The actual developer of the free software is Matthew Dennis. The most popular version of the tool is 0.3. The program belongs to Games.
From the developer:
Built initially as a command line tool to manage and launch multiple separate copies of Minecraft so we could mod them individually without affecting the vanilla world. Then wanted a GUI so they built one, and came up with something super meta, a launcher to launch a launcher.
You may want to check out more software, such as POLUtils, GameArena The Arena or DM Secretary, which might be similar to MaltCraft.