Gaze tracking, parsing and visualization tools
The GazeParser is a package for eye movement research. For recording, this package provides a module to control SimpleGazeTracker, an open-source video-based eye-tracking application, from VisionEgg and PsychoPy. For data analysis, this package provides various functions such as detecting saccades and fixations, plotting and comparing scan paths, calculating saccade trajectory curvature and so on.
See http://sourceforge.net/p/gazeparser/ for detail.