MixPads 2 - MixPads 2 is an elegant mobile app that works as a music creator and helps you to access musical communities on social platforms.
drumbit - A very easy to use drum machine.
Djay - djay gives you instant access to all your existing tracks and playlists from iTunes.
Splice Beat Maker - Make and share beats in your browser
Onemotion Drum Machine - Drum Machine is a fully-featured web-based app developed by OneMotion to enable you to create Drum Beats and patterns.
Sampulator - Make (and record) beats on your keyboard