What are some alternatives?
Splice Beat Maker - Make and share beats in your browser
Silenz - Mix ambient noise in with the music you're listening to
BlokDust - Join blocks together to build sounds with this web-based music making app.
Jammer - Turns songs into musical instruments anyone can play
Ramsophone - A generative art/music machine. (Be sure to refresh!)
Period Tracker - Period Tracker, the easiest way to track your periods!