what is xtools?

[wickedking94]

So im replacing the hard drive in my imac G3 soon, and im wondering whether or not to install xtools when i install os 10.4 onto the new hard drive.
I would like to know exactly what xtools is and does so i can decide whether or not to install it.
thanks

 

[spinnerlys]

Part of XCode, a "programming suite".