De Geuzen tracers:
List 1: 24-11-2006 (v1.7 / closed)
List 2: 12-05-2007 (v1.9 / closed)
List 3: 13-10-2008 (v1.9 / active)
Tsila Hassine tracers:
Quaero Tracer (v1.9 / closed)
Images of Resistance (v1.9 / active)
The Image Reader:
http://www.geuzen.org/sketch/tracer/sketch_tracer_python.MOV (sketch)