SiGML (Signing Gesture Markup Language) is and XML application that enables transcription of sign language gestures. SiGML builds on HamNoSys and indeed one variant of
SiGML is essentially an encoding of HamNoSys manual features, accompanied by a representation of non-manual aspects.
SiGML is the input notation used by the JASigning applications and web applets. A number of Editing Tools for SiGML are available, mostly produced by the University of Hamburg.
CWASA supports some SiGML Extensions used to control the player during animation of SiGML data.
JASigning supports some SiGML Extensions which overlap with the CWASA extensions.