Museums and archives
http://www.mv-naumburg.de/museen/nietzschehaus
http://www.klassikstiftung.de/einrichtungen/museen/nietzsche-archiv/
http://www.museen-graubuenden.ch/sites/home.html
Associations
http://www.nietzsche-forum-muenchen.de
http://www.nietzsche-gesellschaft.de
Digital complete editions
http://www.nietzschesource.org (Werke)
http://ora-web.weimar-klassik.de/swk-db/niebrief/index.html (Briefe)
Nietzsche-e-texts
http://gutenberg.spiegel.de/autor/friedrich-wilhelm-nietzsche-443
http://www.friedrichnietzsche.de
https://archive.org/search.php?query=Nietzsche%20Werke
Internet-projects
https://www.f-nietzsche.de
http://www.nietzsche-news.org
http://www.brianleiternietzsche.blogspot.ch/
http://www.thenietzschechannel.com/
The Journal of Nietzsche Studies
http://www.hunter.cuny.edu/jns
Nietzsche Research Group
http://www.nietzsche.nl/
Stanford Encyclopedia of Philosophy (Nietzsche)
http://plato.stanford.edu/entries/nietzsche/
Nietzsche-chronicle
http://www.dartmouth.edu/~fnchron/
Weimarer Nietzsche-bibliography
http://ora-web.swkk.de/swk-db/niebiblio/index.html