http://www.okawix.com/
Okawix lets you download the whole content of Wikipedia, with or without
images, so that you can browse it offline:
Okawix is available in 253 languages and includes sister projects of the
Wikimedia Foundation (Wikisource, Wiktionary, Wikiquote, Wikibooks).
Okawix is a free software available under
GPL<http://www.gnu.org/licenses/gpl.html>licenceicence;
~prinson