Do you want to create your own tests and quizzes using an easy free software? Hot Potatoes was created by the Research and Development team at the University of Victoria Humanities Computing and Media Centre.
http://web.uvic.ca/hrd/hotpot/

Assessment and rubric information: An invaluable collection of scoring rubrics ranging from web page rubrics to portfolios, report card, comments and progress reports.
http://school.discovery.com/schrockguide/assess.html

An interesting article written by Brian North in 1997 including Language Proficiency Descriptors. Abbreviated version of a presentation given at the Language Testing Research Colloquium in Tampere, Finland, 1996.
http://www.romsem.unibas.ch/sprachenkonzept/
Annexe_3.html