SimpleBusyBox is a BusyBox installation for Android ARM. It does not require root. Simply tell SimpleBusyBox to unpack, and then copy and paste the PATH into your shell and you can use BusyBox utilities.
BusyBox is an open source program which provides a large suite of basic implementations of Unix command-line utilities.
SimpleBusyBox is built using parts from open source projects: BusyBox. A lot of people's work is represented here, and very little of my own.
But if you find bugs/infelicities, it's probably my fault, so email
To get the source:
git clone http://galexander.org/git/simplebusybox.git