Name
Vendor
Notes
Picture
 
MicroLight
AbleNet
Very light touch switch.  Works well for weak fingers & very slight movement in other areas.  Velcro to a surface or lightweight mounting arm.
Microlight Switch for ALS
 
Spec Switch
AbleNet
Light touch but provides a little resistance which allows a finger to rest on it without activating it.
SPEC Switch for ALS
 
Ultimate Switch
Enabling Devices
Goose neck mounted switch for easy positioning.  Especially good for head and knee switch access. 
Ultimate Switch for ALS
 
Single Foot Switch
Smartnav
Provides a little resistance for resting the foot on the switch without activating it.  Bonus- not expensive.
Single Foot Switch Smartnav
 
Pillow Switch(without cushion)
AbleNet
Very versatile especially for head activation. Features a safety pin and Velcro for fastening to pillow, wheelchair headrest, clothes, etc.
Pillow Switch for ALS
 
For an article on the very important uses of switches for pALS please visit the Praactical AAC Website.