WikiTrip is at http://sonetlab.fbk.eu/wikitrip/.
See also the related blog post.
This is the page for a paper published by Paolo Massa.
Title: WikiTrip: animated visualization over time of gender and geo-location of Wikipedians who edited a page
White paper / Technical Report at FBK
Year: 2011