The queX Suite is made up of 4 packages developed by the Australian Consortium for Social and Political Research Incorporated
These include:
queXML - An XML description of a questionnaire, with associated stylesheets to produce LimeSurvey questionnaires (including for queXS), and paper based questionnaires (PDF forms)
queXF - A web based system for scanning and verifying questionnaire produced using queXML. An Open Source alternative to Remark OMR or Cardiff Teleform.
queXS - An Open Source, web based CATI (Computer Assisted Telephone Interviewing) system
queXC - An Open Source, web based data cleaning and coding system. In some cases, an Open Source alternative to Nvivo