Exsyst is an extension of EvoSuite that creates test suites by accessing the GUI (currently Java/Swing). For more details check the Exsyst website.

• F. Gross, G. Fraser, and A. Zeller, “Search-Based System Testing: High Coverage, No False Alarms,” in Proceedings of the 2012 International Symposium on Software Testing and Analysis, New York, NY, USA, 2012, pp. 67-77.
  [Bibtex]

  @inproceedings{ISSTA12_Exsyst,
   author = {Gross, Florian and Fraser, Gordon and Zeller, Andreas},
   title = {Search-Based System Testing: High Coverage, No False Alarms},
   booktitle = {Proceedings of the 2012 International Symposium on Software Testing and Analysis},
   series = {ISSTA '12},
   year = {2012},
   publisher = {ACM},
   address = {New York, NY, USA},
  pages={67--77},
  }

• J. Roessler, G. Fraser, A. Zeller, and A. Orso, “Isolating Failure Causes through Test Case Generation,” in Proceedings of the 2012 International Symposium on Software Testing and Analysis, New York, NY, USA, 2012, pp. 309-319.
  [Bibtex]

  @inproceedings{ISSTA12_Bugex,
   author = {Jeremias Roessler and Gordon Fraser and Andreas Zeller and Alessandro Orso},
   title = {Isolating Failure Causes through Test Case Generation},
   booktitle = {Proceedings of the 2012 International Symposium on Software Testing and Analysis},
   series = {ISSTA '12},
   year = {2012},
   publisher = {ACM},
   address = {New York, NY, USA},
   pages={309--319},
  }