An open source, web based, platform independent knowledge base system.
...Users can view all data but only modify their own data unless user is admin or moderator, default users can't delete anything. Moderator is more restricted then admin but less restricted then default user. Supported data export formats: .doc .xls .csv .pdf and .xml. Printing and exporting can be done from any part of the site. single articles or multiple items from the list view. Multiple report types to keep track of your site. Change password support, Password recovery by user name or email support
Avicenna is an application for visualizing location data stored in excel or .csv table files on a map or in a table view. It provides several export functions (such as single pictures, database dumps and even a HTML-export that enables you to use Avicenna on your website).
It was developed as part of the course "Techniken der Projektentwicklung" in summer semester 2012 at the University of Bielefeld by Team 2 and is licensed under the GNU Affero General Public License version 3.
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Spreadsheet-to-RDF wrapper capable of transforming spreadsheets to arbitrary RDF graphs; supports mapping language with powerful formula expressions as you know from Excel, local/remote Excel/ODF/CSV, SPARQL service - source available at https://github.com/theandyl/xlwrap