For anyone looking for a supremely customizable foot controller for DAW control, guitar effects and much much more, the Xsonic Airstep Lite Controller is a marvel. There is an even more highly speced version, which allows for other midi devices to be connected by cable, thereby making a whole midi rig almost completely wireless on stage. This lite version (which can connect to the full version) also works brilliantly as a stand-along controller, with built-in patches that can recognize most popular DAWS and which allow the user to assign the pedals easily to any controls that accept MIDI signals.
My only 'complaint' with it is that the very solid and robust metal pedals make a considerable 'click' sound when pressed by foot, so that this is less than ideal for anyone wanting to use it for, say, controlling a loop function where an acoustic instrument is being recorded. (For that I highly recommend IKMultimedia's Blueboard, also for sale here on Thomann: make sure to buy a new rather than a secondhand model as the first generation is virtually impossible to upgrade to the firmware necessary for making a bluetooth Mac connection.) The Airstep could do with some good user tutorial videos but, that aside, it's an almost perfect piece of kit at a great price.