DottedSign - The Best E-Signature Solution for Your Business
Strokeit - StrokeIt is an advanced mouse gesture recognition engine and command processor.
Adobe Fill & Sign - Fill and sign any form, even snap a picture of a paper form to fill out.
Easystroke - Easystroke is a gesture-recognition application for X11.
INHUBBER - Contract management and digital signature platform
StrokesPlus.net - Mouse Gestures and More for Windows