Signo is described by its author as
…impressively complete hotkey manager…
Upon launch Signo slows the system (reviewed on a Windows XP computer) but then settles in the tray and provides a number of defaults hotkeys or what it calls actions to automate many tasks. Signo also provides the ability to add additional user defined actions. The hotkeys can alternatively be used and defined as the # key followed by a maximum of 10 letters, therefore it is possible to (for example) press Alt+Win+k to do an action or to set #awk to do the same.
The actions supported are