XDXF "XDXF is a project to unite all existing open dictionaries and provide both users and developers with universal XML-based format, convertible to and from other popular dictionary formats." May not be being updated. Forum is at http://xdxf.revdanica.com/forum/ in Computational Linguistics > Lexicography > Standardswith computationallexiconslinguistics
XTAG (TAG) XTAG is an on-going project to develop a wide-coverage grammar for English using a lexicalized Tree Adjoining Grammar (TAG) formalism. XTAG also serves as an system for the development of TAGs and consists of a parser, an X-windows grammar development interface and a morphological analyzer. codesource in Linguistics > Syntaxwith adjoininggrammarlexicalizedlinguisticssyntaxtree