Nixstaller is an Open Source project with the goal to create user friendly and flexible installers that work on various UNIX like systems. Some of its features are: small size overhead, large compatibility, Lua scripting and few dependencies.
BT2USB4WIN is a package for automation of downloading BackTrack 2.0 verify Checksums format transfert backtrack to usbstick and finally make it bootable. user can also use a predownloaded release but need to match crc....still in dev