Bosca Ceoil - A free, easy to use tool for creating music.
GarageBand - GarageBand is a fully equipped music creation studio for Mac
Zynewave Podium - Podium is a modern digital audio workstation (DAW) for Windows.
RapScript - RapScript is the fastest-growing word-machine that is specially designed for freestyle rappers.
Renoise - Renoise is a digital audio workstation.
The Art of Rap - The Art of Rap is a free to use mobile application that allows you to create and record your rap movies to share it with others.