AudioTool - Whether you want to make music for the club, or you're aiming to put a few tracks to a film, Audiotool is a website geared towards putting the mixes at your fingertips. Read more about AudioTool.

Kontakt - With KONTAKT 6, you can sound like a snare drum, a symphony orchestra, or anything in between, from a universe of sampled instruments.

LinuxSampler - LinuxSampler - free, open source pure software audio sampler with professional grade features.

UVI Falcon - Sampler/synth hybrid instrument

Samplr - Samplr app for iPad lets you make music and play with sound by touching it with your fingers.

Pianoteq - Pianoteq is a virtual piano that runs on your computer.