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Fr Smw plus screenshot.png
Developer(s) DIQA-Projektmanagement GmbH
Last release
1.7.0 / April 25, 2012 (2012-04-25)
Written in PHP
Type MediaWiki extension
License GPL

SMW+ is an open source software bundle composed of the wiki application MediaWiki along with a number of its extensions, that was developed by the German software company Ontoprise GmbH from 2007 to 2012. In 2012, Ontoprise GmbH filed for bankruptcy[1] and went out of business. DIQA-Projektmanagement GmbH, a start-up founded by former Ontoprise employees,[2] now offers support for the software in SMW+, though under the name "DataWiki".


SMW+'s extensions include, most notably, Semantic MediaWiki and the Halo Extension. Cumulatively, SMW+ functions as a semantic wiki, and is also meant to serve as an enterprise wiki for use within companies, for applications such as knowledge management and project management.

The SMW+ platform was available in a number of formats including a Windows installer, Linux installer and VMware image.

SMW+ emerged from Project Halo, a research project meant to provide a platform for collaborative knowledge engineering for domain experts in the biology, chemistry and physics at the first stage.


  1. ^ "Ontoprise stellt Insolvenzantrag" [Ontoprise starts insolvency proceedings] (in German). econo. 3 May 2012. Retrieved 30 July 2012. 
  2. ^ Michael Erdmann (25 July 2012). "SMW+ is dead, long live SMW+". MediaWiki users mailing list. Retrieved 30 July 2012. 

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