http://opecgdynia.pbwiki.com/ - Kasia Marcinkiewicz's wiki for student collaborative translation

http://psydoc.pbwiki.com/ - Kasia Marcinkiewicz's ET wiki for psychology students

http://beo-businessenglishonline.wikispaces.com/ - business English wiki

http://elt-wiki.cw.idm.fr/elt-wiki/index.php/Main_Page - Pearson Longman's wiki (definitions)