Lemur!

Lemur is the worlds best MIDI/OSC controller for iOS. Benefiting from nearly 10 years of development, Lemur is synonymous with multitouch music control. You can even control up to 8 computers from one iPad with Lemur

* Griid http://liine.net/en/legacy-products/griid
Griid * Kapture Pad http://liine.net/en/legacy-products/kapture-pad
Kapture Pad * Smudge http://liine.net/en/legacy-products/smudge
Smudge * Downloads http://liine.net/en/downloads
Downloads * Support * Support Center http://support.liine.net
Support Center * Wiki Docs https://liine.net/wiki
Wiki Docs