OnlineSequencer.net - OnlineSequencer.net is an online music sequencer that allows users to create beats and music tracks.
GarageBand - GarageBand is a fully equipped music creation studio for Mac
AudioSauna - AudioSauna is a full-featured audio workstation for making music online.
RapScript - RapScript is the fastest-growing word-machine that is specially designed for freestyle rappers.
Jummbox - A modified Beepbox that have more stuff then Beepbox. It can be used just like Beepbox. The features of Jummbox is the same of Beepbox's features, but Jummbox have more stuff to offer.
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.