Wikipedia Fundraising C.O.R.E designed and developed by the folks at Four Kitchen Studios is using CiviCRM v1.5 and Drupal 4.7. In their own words: Fundraising C.O.R.E connects to the CiviCRM data tables as the source of data. CiviCRM in turn gets its data from the PayPal and Moneybookers synchronization engines we manage. Finally, we're using i18n for internationalization. We also manage the fundraising pages on the Wikimedia Foundation site that feed data in. 700 Concurrent users 30 Currencies 15 Languages 4 Payment systems 1 C.O.R.E. This is awesome news for CiviCRM community. We at CiviCRM are quite thrilled to see the software being used to help manage an incredibly successful project

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Wikimedia is on CiviCRM 1.6 as of now. :)
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