Note: The documentation is outdated. Help in keeping this up to date is always appreciated. The changelog entries at the end of this page serve as a reminder what still needs to be documented.
Easystroke is a gesture-recognition program, which can execute predefined actions based on "gestures" that you draw on the screen. To see what this is all about, start easystroke and begin drawing a few gestures by holding down the middle mouse button and moving your mouse/pen around. (Peek ahead a little bit if the middle button is inconvenient for you.) Right now, nothing happens yet when you draw a gesture, so let's define some actions next.
Say you want to use gestures to switch tabs in Firefox. Click on the tray icon to open the program's configuration dialog and then Add Action to define your first action. An editable text field appears showing the preliminary name of the gesture, Gesture 1. Change that to tab-left, then select Key in the type column and press the key combination that goes one tab to the left, namely