Please if you make use of our software, cite our paper:
Saez de Urabain, I.R., Johnson, M.H., Smith, T.J., (2014) GraFIX: A semiautomatic approach for parsing low- and high-quality eye-tracking data. Behavior Research Methods. doi:10.3758/s13428-014-0456-0 [Download article]
GraFIX is released under the GPLv3 public license (http://www.gnu.org/licenses/).
To download the software go to: https://sourceforge.net/projects/grafixfixationscoder/